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A032273 Shifts left 2 places under "DIJ" (bracelet, indistinct, labeled) transform. 0
1, 1, 1, 2, 5, 18, 92, 628, 5338, 53927, 627608, 8245257, 120542045, 1939926385, 34071346198, 648413562908, 13291025909948, 291921277586304, 6839533725684092, 170267930301293824 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Sequence in context: A173227 A099556 A057864 * A143522 A217389 A123310

Adjacent sequences:  A032270 A032271 A032272 * A032274 A032275 A032276

KEYWORD

nonn,eigen

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified February 23 23:56 EST 2018. Contains 299595 sequences. (Running on oeis4.)