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Search: id:A117414
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| 1, 0, 1, 0, 4, 1, 0, 48, 12, 1, 0, 1088, 272, 24, 1, 0, 39680, 9920, 880, 40, 1, 0, 2122752, 530688, 47104, 2160, 60, 1, 0, 156577792, 39144448, 3474688, 159488, 4480, 84, 1, 0, 15230058496, 3807514624, 337979392, 15514880, 436352, 8288, 112, 1, 0
(list; table; graph; listen)
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OFFSET
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0,5
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COMMENT
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Conjecture: row sums are the Euler numbers A000364. Second column is A024255. Third column is A117415.
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EXAMPLE
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Triangle begins
1,
0, 1,
0, 4, 1,
0, 48, 12, 1,
0, 1088, 272, 24, 1,
0, 39680, 9920, 880, 40, 1,
0, 2122752, 530688, 47104, 2160, 60, 1
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CROSSREFS
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Sequence in context: A069018 A156811 A130636 this_sequence A085639 A158972 A135302
Adjacent sequences: A117411 A117412 A117413 this_sequence A117415 A117416 A117417
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KEYWORD
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nonn,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Mar 13 2006
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