A330645 Number of Young tableaux with n cells whose shape is asymmetric.

0, 0, 2, 2, 8, 20, 60, 212, 632, 2508, 8280, 34256, 127712, 542984, 2252432, 9873216, 44557424, 202661012, 975470880, 4627469192, 23413518704, 116147688600, 611882489152, 3174544514192, 17312022302368, 93772475206800, 527582381206400, 2975078868145952

Offset

0,3

Links

Table of n, a(n) for n=0..27.

Formula

a(n) = A000085(n) - A067136(n).

a(n) = 2*A067142(n).

Crossrefs

Cf. A000085, A067136, A067142.

Sequence in context: A242658 A080040 A060823 * A178076 A292476 A348534

Adjacent sequences: A330642 A330643 A330644 * A330646 A330647 A330648

Keyword

nonn

Author

Omar E. Pol, Jan 11 2020

Status

approved