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Search: id:A111808
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A111808 Left half of trinomial triangle (A027907), triangle read by rows. +0
22
1, 1, 1, 1, 2, 3, 1, 3, 6, 7, 1, 4, 10, 16, 19, 1, 5, 15, 30, 45, 51, 1, 6, 21, 50, 90, 126, 141, 1, 7, 28, 77, 161, 266, 357, 393, 1, 8, 36, 112, 266, 504, 784, 1016, 1107, 1, 9, 45, 156, 414, 882, 1554, 2304, 2907, 3139, 1, 10, 55, 210, 615, 1452, 2850, 4740, 6765, 8350 (list; table; graph; listen)
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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