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Search: id:A145972
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| 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 4, 3, 4, 1, 1, 4, 8, 4, 5, 1, 1, 9, 8, 13, 5, 6, 1, 1, 9, 22, 13, 19, 6, 7, 1, 1, 23, 22, 41, 19, 26, 7, 8, 1, 1, 23, 64, 41, 67, 26, 34, 8, 9, 1, 1, 65, 64, 131, 67, 101, 34, 43, 9, 10, 1, 1
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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Row sums = A036256: (1, 2, 4, 7, 13, 23, 43,...).
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FORMULA
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Triangle read by rows, A000012 * A053121, = partial sums of column terms of triangle A053121.
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EXAMPLE
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A053121 starts:
1;
0, 1;
1, 0, 1;
0, 2, 0, 1;
...
Taking partial sums from the top, we get A145972:
1;
1, 1;
2, 1, 1;
2, 3, 1, 1;
4, 3, 4, 1, 1;
4, 8, 4, 5, 1, 1;
9, 8, 13, 5, 6, 1, 1;
9, 22, 13, 19, 6, 7, 1, 1;
23, 22, 41, 19, 26, 7, 8, 1, 1;
23, 64, 41, 67, 26, 34, 8, 9, 1, 1;
...
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CROSSREFS
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A053121, Cf. A036256
Sequence in context: A168443 A156041 A133255 this_sequence A152650 A161789 A141289
Adjacent sequences: A145969 A145970 A145971 this_sequence A145973 A145974 A145975
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson & Roger L. Bagula (qntmpkt(AT)yahoo.com), Oct 25 2008
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