A027154 a(n) = Sum_{k=0..floor(n/2)} A027144(n-k, k).

1, 1, 3, 5, 9, 15, 31, 49, 101, 163, 331, 533, 1089, 1751, 3575, 5753, 11741, 18891, 38563, 62045, 126649, 203775, 415951, 669249, 1366101, 2198003, 4486651, 7218853, 14735409, 23708711, 48395175, 77865993, 158943181, 255733531, 522013523, 839899885, 1714437289, 2758464335

Offset

0,3

Links

Table of n, a(n) for n=0..37.

Crossrefs

Sequence in context: A307677 A140428 A340849 * A217350 A210844 A200148

Adjacent sequences: A027151 A027152 A027153 * A027155 A027156 A027157

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Oct 24 2019

Status

approved