A022854 a(n) = [ a(n-1)/a(1) + a(n-1)/a(2) + ... + a(n-1)/a(n-1) ] for n >= 3, with initial terms 1,1.

1, 1, 2, 5, 13, 36, 100, 281, 791, 2230, 6288, 17732, 50007, 141030, 397734, 1121696, 3163427, 8921555, 25160735, 70958773, 200119253, 564380046, 1591675124, 4488871850, 12659600055, 35702840027, 100689814882, 283967292614, 800849851290, 2258571677068, 6369665939549

Offset

1,3

Links

Table of n, a(n) for n=1..31.

Crossrefs

Sequence in context: A327014 A331030 A046171 * A356697 A346738 A116409

Adjacent sequences: A022851 A022852 A022853 * A022855 A022856 A022857

Keyword

nonn

Author

Clark Kimberling

Extensions

Name clarified by Robert C. Lyons, Feb 11 2025

Status

approved