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1, 2, 2, 2, 0, 2, 3, 3, 0, 3, 2, 0, 0, 0, 2, 4, 4, 4, 0, 0, 4, 2, 0, 0, 0, 0, 0, 2, 4, 4, 0, 4, 0, 0, 0, 4, 3, 0, 3, 0, 0, 0, 0, 0, 3, 4, 4, 0, 0, 4, 0, 0, 0, 0, 4, 4
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Row sums = A035116: (1, 4, 4, 9, 4, 16, 4, 16,...). Right and left borders = A000005, d(n): (1, 2, 2, 3, 2, 4, 2,...).
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FORMULA
| A130209 * A051731 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
2, 2;
2, 0, 2;
3, 3, 0, 3;
2, 0, 0, 0, 2;
4, 4, 4, 0, 0, 4;
2, 0, 0, 0, 0, 0, 2;
4, 4, 0, 4, 0, 0, 0, 4;
...
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CROSSREFS
| Cf. A130209, A051731, A000005, A035116.
Sequence in context: A104994 A118664 A118205 * A109135 A059288 A197727
Adjacent sequences: A130274 A130275 A130276 * A130278 A130279 A130280
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), May 18 2007
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