A078409 Number of ways to partition 4*n+1 into distinct positive integers.

1, 3, 8, 18, 38, 76, 142, 256, 448, 760, 1260, 2048, 3264, 5120, 7917, 12076, 18200, 27130, 40026, 58499, 84756, 121792, 173682, 245920, 345856, 483330, 671418, 927406, 1274118, 1741521, 2368800, 3207086, 4322816, 5802008, 7755776

Offset

0,2

Links

Table of n, a(n) for n=0..34.

Formula

a(n) = t(4*n+1, 0), t as defined in A079211.

Crossrefs

Bisection of A078408. Cf. A035294, A000009, A078410.

Sequence in context: A261325 A261446 A328539 * A036642 A000235 A006478

Adjacent sequences: A078406 A078407 A078408 * A078410 A078411 A078412

Keyword

nonn,easy

Author

N. J. A. Sloane, Dec 27 2002

Extensions

More terms from Reinhard Zumkeller, Dec 28 2002

Status

approved