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Search: id:A131299
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| 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 7, 4, 1, 1, 1, 10, 7, 7, 1, 1, 1, 13, 10, 16, 7, 1, 1, 1, 16, 13, 28, 16, 10, 1, 1, 1, 19, 16, 43, 28, 28, 10, 1, 1, 1, 22, 19, 61, 43, 58, 28, 13, 1
(list; table; graph; listen)
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OFFSET
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0,9
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COMMENT
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Row sums = A131300: (1, 2, 3, 7, 14, 27, 49, 86,...). Reversed row triangle = A131301.
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FORMULA
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3*A065941 - 2*A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
1, 1, 1;
1, 1, 4, 1;
1, 1, 7, 4, 1;
1, 1, 10, 7, 7, 1;
1, 1, 13, 10, 16, 7, 1;
...
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CROSSREFS
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Cf. A065941, A000012, A131300, A131301.
Sequence in context: A162400 A008833 A063928 this_sequence A073937 A074058 A088440
Adjacent sequences: A131296 A131297 A131298 this_sequence A131300 A131301 A131302
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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), Jun 27 2007
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