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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 Table of n, a(n) for n=1..53. 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 Adjacent sequences: A165248 A165249 A165250 * A165252 A165253 A165254 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.)