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1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3, 3, 1, 1, 3, 3, 4, 4, 1, 1, 1, 6, 6, 5, 5, 1, 1, 4, 4, 10, 10, 6, 6, 1, 1, 1, 10, 10, 15, 15, 7, 7, 1, 1, 5, 5, 20, 20, 21, 21, 8, 8, 1, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,7
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COMMENTS
| Row sums = A062114: (1, 2, 3, 6, 9, 16, 25, 42, 67,...). Triangle A046854 = A097806 * A049310.
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FORMULA
| A049310 * A097806 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
1, 1;
1, 1, 1;
2, 2, 1, 1;
1, 3, 3, 1, 1;
3, 3, 4, 4, 1, 1;
1, 6, 6, 5, 5, 1, 1;
4, 4, 10, 10, 6, 6, 1, 1;
1, 10, 10, 15, 15, 7, 7, 1, 1;
...
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CROSSREFS
| Cf. A097806, A062114, A049310.
Sequence in context: A182591 A058914 A123682 * A201881 A140751 A162741
Adjacent sequences: A134510 A134511 A134512 * A134514 A134515 A134516
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 28 2007
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