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A131222
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Exponential Riordan array [1, log((1-x)/(1-2x)].
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1
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1, 0, 1, 0, 3, 1, 0, 14, 9, 1, 0, 90, 83, 18, 1, 0, 744, 870, 275, 30, 1, 0, 7560, 10474, 4275, 685, 45, 1, 0, 91440, 143892, 70924, 14805, 1435, 63, 1, 0, 1285200, 2233356, 1274196, 324289, 41160
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,5
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COMMENTS
| Row sums are A002866. Second column is A029767.
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EXAMPLE
| Number triangle starts
1,
0, 1,
0, 3, 1,
0, 14, 9, 1,
0, 90, 83, 18, 1,
0, 744, 870, 275, 30, 1
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CROSSREFS
| Sequence in context: A191578 A067176 A137431 * A114151 A147723 A110518
Adjacent sequences: A131219 A131220 A131221 * A131223 A131224 A131225
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KEYWORD
| easy,nonn,tabl
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AUTHOR
| Paul Barry (pbarry(AT)wit.ie), Jun 18 2007
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