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A032004 Shifts left under "AFJ" (ordered, size, labeled) transform. 0
1, 1, 1, 7, 15, 105, 855, 7855, 55975, 560065, 8413815, 92433795, 1445733485, 21748130145, 378156976785, 6718626421035, 128657800331555, 2540367695055365, 57535394030907155, 1264457062012294015 (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: A144536 A231399 A231466 * A032018 A243470 A068366

Adjacent sequences:  A032001 A032002 A032003 * A032005 A032006 A032007

KEYWORD

nonn,eigen

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified October 15 13:01 EDT 2018. Contains 316236 sequences. (Running on oeis4.)