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A140740
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Triangle read by rows: T(n,n) = 1 and for k with 1 <= k < n: T(n+1,k) = T(n,k) + T(n - n mod k, k).
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6
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1, 2, 1, 4, 2, 1, 8, 3, 2, 1, 16, 6, 3, 2, 1, 32, 9, 4, 3, 2, 1, 64, 18, 8, 4, 3, 2, 1, 128, 27, 12, 5, 4, 3, 2, 1, 256, 54, 16, 10, 5, 4, 3, 2, 1, 512, 81, 32, 15, 6, 5, 4, 3, 2, 1, 1024, 162, 48, 20, 12, 6, 5, 4, 3, 2, 1, 2048, 243, 64, 25, 18, 7, 6, 5, 4, 3, 2, 1, 4096, 486, 128, 50, 24
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OFFSET
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1,2
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COMMENTS
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Central terms: T(2*n-1,n)=n; T(2*n,n)=n+1; T(2*n,n+1)=n;
T(n,k) = n-k+1, for k with n/2 <= k <= n;
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LINKS
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EXAMPLE
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.................................... 1
.................................. 2. 1
.............................. 2^2. 2. 1
.......................... 2^3... 3. 2. 1
...................... 2^4... 2*3. 3. 2. 1
.................. 2^5... 3^2... 4. 3. 2. 1
.............. 2^6.. 2*3^2.. 2*4. 4. 3. 2. 1
.......... 2^7... 3^3... 3*4... 5. 4. 3. 2. 1
...... 2^8.. 2*3^3... 4^2.. 2*5. 5. 4. 3. 2. 1
... 2^9... 3^4.. 2*4^2. 3*5... 6. 5. 4. 3. 2. 1
2^10. 2*3^4. 3*4^2.. 4*5.. 2*6. 6. 5. 4. 3. 2. 1.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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