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A073193 Number of separate orbits/cycles to which the gatomorphism A057508 partitions each A000108(n) structures encoded in the range [A014137(n-1)..A014138(n-1)] of the sequence A014486/A063171. +0
9
1, 1, 2, 4, 11, 30, 93, 292, 965, 3238, 11126, 38708, 136486, 485820, 1744677, 6310584, 22973793, 84103302, 309429066, 1143487428, 4242631626, 15798011604, 59018856522, 221143860936, 830895360978, 3129747395548, 11816242209260 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n) = (A000108(n)+A073192(n))/2

CROSSREFS

Occurs for first time in A073201 as row 168.

Sequence in context: A052831 A034769 A063544 this_sequence A007719 A141268 A135527

Adjacent sequences: A073190 A073191 A073192 this_sequence A073194 A073195 A073196

KEYWORD

nonn

AUTHOR

Antti Karttunen Jun 25 2002

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Last modified September 4 21:24 EDT 2008. Contains 143414 sequences.


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