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A051140 a(n) = (A000110(n) - A000994(n+2))/2. 2
0, 0, 0, 0, 1, 8, 47, 259, 1437, 8208, 48659, 300553, 1937958, 13052028, 91784452, 673328720, 5146726651, 40934788112, 338292605257, 2900716040495, 25769979503573, 236876549095324, 2249873611378525, 22053647698650293, 222832106687369092 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
LINKS
EXAMPLE
a(7) = (877 - 359)/2 = 259.
CROSSREFS
Sequence in context: A016198 A270495 A177257 * A296631 A255720 A014524
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)