A024744 a(n) = s(n+3)/6, where s is A024743.

1, 3, 9, 29, 93, 297, 949, 3195, 10701, 35675, 118761, 410949, 1413385, 4835421, 16526241, 58096283, 203257713, 708000147, 2462308561, 8753612709, 30980135637, 109194529241, 384438181581, 1376928356139, 4914117411565, 17478861072723

Offset

1,2

Links

Table of n, a(n) for n=1..26.

Crossrefs

Sequence in context: A135142 A195624 A098589 * A024964 A061534 A300044

Adjacent sequences: A024741 A024742 A024743 * A024745 A024746 A024747

Keyword

nonn

Author

Clark Kimberling

Status

approved