A067328 Scaled triangle A067327.

1, 1, 1, 4, 4, 1, 28, 28, 8, 1, 256, 256, 76, 12, 1, 2704, 2704, 816, 140, 16, 1, 31168, 31168, 9488, 1696, 220, 20, 1, 380608, 380608, 116480, 21328, 2960, 316, 24, 1, 4840960, 4840960, 1486784, 276544, 40016

Offset

0,4

Links

Table of n, a(n) for n=0..40.

Formula

a(n, m)=A067327(n, m)/A067327(m, m), with A067327(m, m)=A002001(n), n>=m>=0, else 0.

Crossrefs

Sequence in context: A170986 A071207 A136214 * A111845 A120396 A141024

Adjacent sequences: A067325 A067326 A067327 * A067329 A067330 A067331

Keyword

nonn,easy,tabl

Author

Wolfdieter Lang, Feb 05 2002

Status

approved