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A165251 Variation on Delannoy array/triangle; based on a triangular sum with the base multiplied by 2. 0
1, 2, 2, 4, 9, 4, 8, 28, 28, 8, 16, 76, 121, 76, 16, 32, 192, 422, 422, 192, 32, 64, 464, 1304, 1809, 1304, 464, 64, 64, 464, 1304, 1809, 1304, 464, 64, 128, 1088, 3728, 6648, 6648, 3728, 1088, 128, 256, 2496, 10096, 22056, 28401, 22056, 10096, 2496, 256, 512 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
If a(1,2,3)=1 sums of rows give A001077.
LINKS
EXAMPLE
Triangle begins:
1
2,2
4,9,4
8,28,28,8
16,76,121,76,16
32,192,422,422,192,32
CROSSREFS
Cf. A001077, A001076 (row sums), A008288
Sequence in context: A220369 A220313 A021982 * A264128 A176159 A280859
KEYWORD
nonn,tabl
AUTHOR
Mark Dols, Sep 10 2009
STATUS
approved

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)