A027244 a(n) = Sum_{k=0..n} (k+1) * A026769(n, n-k).

1, 3, 8, 23, 59, 158, 395, 1023, 2522, 6414, 15694, 39486, 96226, 240470, 584762, 1454777, 3533743, 8763720, 21276031, 52642872, 127770797, 315574532, 765852193, 1888788990, 4583560631, 11290381790, 27397549743, 67414670138

Offset

0,2

Links

Table of n, a(n) for n=0..27.

Crossrefs

Sequence in context: A027212 A027236 A353169 * A108457 A071618 A318861

Adjacent sequences: A027241 A027242 A027243 * A027245 A027246 A027247

Keyword

nonn

Author

Clark Kimberling

Status

approved