A335686 Number of even entries in the character table of the symmetric group S_n.

0, 0, 0, 2, 6, 16, 44, 90, 266, 508, 966, 1824, 3548, 6094, 11586, 19254, 37492, 61876, 103110, 170932, 286916, 456554, 759962, 1190034, 1887766, 2937820, 4608084, 7004646, 10938762, 16372732, 24851432, 37014368, 56368810, 82688102, 122855526, 179808396, 263406424

Offset

0,4

Comments

Needs a b-file.

References

Alexander R. Miller, "On parity and characters of symmetric groups", J. Combin. Theory Ser. A 162 (2019), 231-240. Gives terms for n <= 76.

Links

Table of n, a(n) for n=0..36.

Alexander R. Miller, On parity and characters of symmetric groups, preprint.

Crossrefs

Cf. A006907, A274691.

Sequence in context: A295572 A027068 A003142 * A118041 A105073 A002605

Adjacent sequences: A335683 A335684 A335685 * A335687 A335688 A335689

Keyword

nonn

Author

N. J. A. Sloane, Jul 07 2020

Status

approved