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Search: id:A128514
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| A128514 |
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Triangle, Pell sequence in every column. |
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+0
1
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| 1, 2, 1, 5, 2, 1, 12, 5, 2, 1, 29, 12, 5, 2, 1, 70, 29, 12, 5, 2, 1, 169, 70, 29, 12, 5, 2, 1, 408, 169, 70, 29, 12, 5, 2, 1, 985, 408, 169, 70, 29, 12, 5, 2, 1, 2378, 985, 408, 169, 70, 29, 12, 5, 2, 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 = A048739 starting (1, 3, 8, 20, 49, 119,...)
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FORMULA
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A000129 in every column: (1, 2, 5, 12, 29,...)
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
5, 2, 1;
12, 5, 2, 1;
29, 12, 5, 2, 1;
70, 29, 12, 5, 2, 1;
...
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CROSSREFS
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Cf. A000129, A048739.
Sequence in context: A104766 A105084 A126125 this_sequence A126075 A134032 A137151
Adjacent sequences: A128511 A128512 A128513 this_sequence A128515 A128516 A128517
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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), Mar 05 2007
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