A263260 a(n) = number of nonnegative integers k for which A155043(k) <= n; partial sums of A262507.

1, 3, 6, 11, 15, 20, 26, 30, 34, 38, 46, 50, 54, 59, 67, 74, 81, 88, 95, 103, 108, 114, 120, 128, 138, 145, 153, 160, 167, 172, 177, 183, 189, 197, 203, 210, 217, 224, 228, 233, 238, 244, 250, 258, 265, 270, 275, 281, 288, 299, 304, 308, 313, 321, 333, 340, 349, 354, 362, 370, 379, 389, 403

Offset: 0

Author

Antti Karttunen, Nov 24 2015

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A000005, A049820, A155043, A262507, A263265, A263270.

Formula

a(0) = 1; for n >= 1, a(n) = A262507(n) + a(n-1).