A167399 a(n) = frequency with which each prime is the sum of the members of each subset of size N of the set {1..N^2} over N.

0, 1, 2, 2, 6, 10, 20, 28, 59, 162, 218, 497

Offset

1,3

Links

Table of n, a(n) for n=1..12.

Crossrefs

Row sums of irregular triangle A167365.

Cf. A167147 (Column sums of irregular triangle A167365.)

Sequence in context: A054228 A044044 A123757 * A247326 A300274 A019310

Adjacent sequences: A167396 A167397 A167398 * A167400 A167401 A167402

Keyword

nonn

Author

Christopher Hunt Gribble, Nov 02 2009

Status

approved