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 A137681 Row sums of triangle A137680. 3
 1, 2, 4, 10, 23, 56, 132, 316, 752, 1793, 4272, 10183, 24266, 57833 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Partial sums of A137681 prefaced with a 1 = left border of triangle A137680: (1, 1, 3, 7, 17, 40, 96, 228,...) = A137682. A variation of A137681 = column 2 of triangle A137680: (1, 0, 2, 4, 10, 23, 56, 132, 316,...). LINKS EXAMPLE a(4) = 10 = sum of row 4 terms of triangle A137680: (7 + 2 + 0 + 1). CROSSREFS Cf. A137680, A137682. Sequence in context: A210460 A191693 A238436 * A127389 A152173 A032171 Adjacent sequences:  A137678 A137679 A137680 * A137682 A137683 A137684 KEYWORD nonn AUTHOR Gary W. Adamson, Feb 05 2008 STATUS approved

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Last modified July 23 15:58 EDT 2019. Contains 325258 sequences. (Running on oeis4.)