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Search: id:A131778
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| 1, 6, 1, 1, 6, 1, 6, -4, 12, 1, 1, 6, 3, 12, 1, 6, -9, 24, -2, 18, 1, 1, 6, 0, 24, 11, 18, 1, 6, -14, 36, -20, 60, 6, 24, 1, 1, 6, -8, 36, 15, 60, 25, 24, 1, 6, -19, 48, -58, 126, -15, 120, 20, 30, 1
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A022097, a Fibonacci-like sequence starting (1, 7, 8, 15, 23, 38,...).
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FORMULA
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6*A065941 - 5*A049310 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are;
1;
6, 1;
1, 6, 1;
6, -4, 12, 1;
1, 6, 3, 12, 1;
6, -9 24, -2, 18, 1;
1, 6, 0, 24, 11, 18, 1;
...
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CROSSREFS
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Cf. A065941, A049310, A099097, A131774, A131775, A131776, A131777.
Sequence in context: A019713 A155824 A138073 this_sequence A095713 A138072 A141600
Adjacent sequences: A131775 A131776 A131777 this_sequence A131779 A131780 A131781
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KEYWORD
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tabl,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 14 2007
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