A074659 First differences of A074658, which counts the convex partitions of n.

0, 1, 1, 2, 1, 3, 3, 1, 4, 6, 2, 5, 7, 1, 10, 13, 0, 6, 18, 4, 16, 15, 2, 16, 25, 11, 19, 23, 15, 21, 37, 0, 35, 45, 20, 39, 49, 4, 38, 68, 41, 33, 68, 31, 67, 75, 38, 59, 96, 45, 98, 99, 43, 84, 152, 73, 86, 115, 92, 108, 195, 97, 137, 175, 105, 148, 201, 120, 201, 236, 175, 147

Offset

0,4

Comments

Are all terms nonnegative?

Links

Table of n, a(n) for n=0..71.

Formula

a(n) = A074658(n+1)-A074658(n)

Mathematica

Table[a[n+1]-a[n], {n, 0, 71}] (* a[n] is defined in A074658. *)

Crossrefs

Cf. A074658, A074660.

Sequence in context: A157379 A212139 A093430 * A131251 A144400 A225281

Adjacent sequences: A074656 A074657 A074658 * A074660 A074661 A074662

Keyword

nonn

Author

Dean Hickerson, Aug 29 2002

Status

approved