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A100794
First differences of A060530.
1
1, 217, 22597, 680945, 9490490, 80581316, 486166212, 2286928302, 8905291815, 29900133355, 89103652231, 240740576407, 599256323432, 1391503809710, 3043867911470, 6322051689996, 12547838923677, 23925432720237, 44020219452505, 78445310367085, 135826279312486
OFFSET
0,2
CROSSREFS
Sequence in context: A221427 A086026 A375816 * A048258 A373762 A013541
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jan 04 2005
STATUS
approved