A032333 Shifts left under "CHJ" (necklace, identity, labeled) transform.

1, 1, 1, 4, 20, 160, 1240, 13560, 149900, 2011940, 28865620, 475287860, 8289874060, 161736893240, 3350194920540, 75447930411100, 1807230749404340, 46377810638160560, 1258317734014917940

Offset

1,4

Links

Table of n, a(n) for n=1..19.

Crossrefs

Sequence in context: A094651 A065526 A378279 * A357666 A366639 A068965

Adjacent sequences: A032330 A032331 A032332 * A032334 A032335 A032336

Keyword

nonn,eigen

Author

Christian G. Bower

Status

approved