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A032208 Number of connected functions on n points with a loop of length 12. 2
1, 1, 8, 45, 229, 1043, 4474, 18034, 69698, 259516, 938342, 3308793, 11427018, 38763095, 129499981, 426937452, 1391429896, 4489322347, 14356694844, 45554354359, 143546523999, 449545164857, 1400098598183, 4339078154900, 13387747332571, 41141433154653 (list; graph; refs; listen; history; text; internal format)
OFFSET
12,3
LINKS
C. G. Bower, Transforms (2)
FORMULA
"CIK[ 12 ]" (necklace, indistinct, unlabeled, 12 parts) transform of A000081.
a(n) ~ A187770 * A051491^n / n^(3/2). - Vaclav Kotesovec, Dec 25 2020
CROSSREFS
Column 12 of A339428.
Sequence in context: A110609 A201190 A297089 * A163003 A368576 A055422
KEYWORD
nonn
AUTHOR
EXTENSIONS
Terms a(35) and beyond from Andrew Howroyd, Dec 04 2020
STATUS
approved

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Last modified May 19 00:35 EDT 2024. Contains 372666 sequences. (Running on oeis4.)