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Search: id:A131894
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| 1, 6, 3, 11, 6, 5, 16, 9, 8, 7, 21, 12, 11, 10, 9, 26, 15, 14, 13, 12, 11, 31, 18, 17, 16, 15, 14, 13, 36, 21, 20, 19, 18, 17, 16, 15, 41, 24, 23, 22, 21, 20, 19, 18, 17, 46, 27, 26, 25, 24, 23, 22, 21, 20, 19
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Left column = A016861, 5n + 1: (1, 6, 11, 16, 21, 26,...). Row sums = A131895: (1, 9, 22, 40, 63,...). Triangle A131896 = A000012 * A131843.
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FORMULA
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Triangle read by rows, partial row sums starting from the right, of A131843.
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EXAMPLE
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First few rows of the triangle are:
1;
6, 3;
11, 6, 5;
16, 9, 8, 7;
21, 12, 11, 10, 9;
26, 15, 14, 13, 12, 11;
...
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CROSSREFS
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Cf. A131843, A131895, A131896.
Sequence in context: A112456 A060534 A060445 this_sequence A040033 A165998 A050132
Adjacent sequences: A131891 A131892 A131893 this_sequence A131895 A131896 A131897
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 24 2007
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