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A260782
Erroneous version of A002469.
0
0, 0, 1, 5, 31, 197, 1435, 11765, 107755
OFFSET
2,4
LINKS
A. Steen, Some formulas respecting the game of mousetrap, Quart. J. Pure Applied Math., 15 (1878), 230-241.
CROSSREFS
Sequence in context: A343496 A108079 A164038 * A084235 A356290 A349301
KEYWORD
dead
STATUS
approved