A024726 a(n) = s(n+3)/3, where s(n) = A024725(n).

1, 1, 1, 4, 7, 10, 22, 46, 88, 175, 343, 757, 1540, 3097, 6445, 13810, 28852, 59563, 124618, 271423, 575566, 1206850, 2562904, 5595625, 11984311, 25458607, 54441703, 119591221, 257882038, 552163087, 1190755030, 2618681050, 5679934666, 12245599948

Offset

1,4

Links

Table of n, a(n) for n=1..34.

Crossrefs

Cf. A024725.

Sequence in context: A102649 A084386 A275176 * A024948 A296309 A182278

Adjacent sequences: A024723 A024724 A024725 * A024727 A024728 A024729

Keyword

nonn

Author

Clark Kimberling

Status

approved