A026399 - OEIS

A026399

a(n) = s(k), where, at the end of stage n when formingA026400,k is the greatest integer such that s(j) > 0 for all j < k.

1, 2, 2, 3, 5, 4, 6, 8, 6, 8, 9, 12, 11, 13, 11, 16, 14, 8, 17, 15, 19, 21, 23, 22, 20, 24, 16, 22, 27, 22, 27, 32, 29, 14, 31, 27, 33, 38, 39, 40, 34, 34, 24, 44, 19, 26, 47, 48, 45, 46, 51, 49, 38, 54, 55, 56, 39, 57, 59, 46, 44, 24, 39, 31, 65, 66, 47, 30, 50, 70, 44, 30