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A320484
Row 5 of array in A320500.
1
1, 20, 75, 382, 1804, 7888, 36627, 166217, 755680
OFFSET
1,2
CROSSREFS
Cf. A320500.
Sequence in context: A000529 A238027 A005565 * A066126 A228025 A219941
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 22 2018, based on email from Don Knuth, Oct 20 2018
STATUS
approved