A027333 a(n) = Sum_{k=0..m} (k+1) * A026148(n, k), where m=0 for n=1; m=n+1 for n >= 2.

1, 3, 18, 65, 230, 783, 2612, 8573, 27810, 89386, 285214, 904671, 2855438, 8975432, 28112778, 87786759, 273402138, 849498192, 2634067338, 8152533735, 25190812134, 77722369419, 239477564892, 736972233435

Offset

0,2

Links

Table of n, a(n) for n=0..23.

Crossrefs

Sequence in context: A253942 A317404 A110689 * A026576 A048899 A337142

Adjacent sequences: A027330 A027331 A027332 * A027334 A027335 A027336

Keyword

nonn

Author

Clark Kimberling

Status

approved