A032213 Shifts left under "DFJ" (bracelet, size, labeled) transform.

1, 1, 1, 4, 8, 38, 206, 1200, 6824, 50912, 547552, 4372912, 50243280, 557844400, 6991479552, 99545556480, 1388702331776, 20997495005568, 347714276937216, 5833018374594560, 105073644198025984

Offset

1,4

Links

Table of n, a(n) for n=1..21.

Crossrefs

Sequence in context: A231465 A208820 A032301 * A225824 A032317 A032226

Adjacent sequences: A032210 A032211 A032212 * A032214 A032215 A032216

Keyword

nonn,eigen

Author

Christian G. Bower

Status

approved