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 A139633 Triangle read by rows: binomial transform of a diagonalized matrix of A026741. 1
 1, 1, 1, 1, 2, 3, 1, 3, 9, 2, 1, 4, 18, 8, 5, 1, 5, 30, 20, 25, 3, 1, 6, 45, 40, 75, 18, 7, 1, 7, 63, 70, 175, 63, 49, 4, 1, 8, 84, 112, 350, 168, 196, 32, 9, 1, 9, 108, 168, 630, 378, 588, 144, 81, 5, 1, 10, 135, 240, 1050, 756, 1470, 480, 405, 50, 11, 1, 11, 165, 330, 1650, 1386 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS Row sums = A084860: (1, 2, 6, 15, 36, 84, 192,...). LINKS FORMULA Let X = a diagonalized matrix of A026741: [1; 0,1; 0,0,3; 0,0,0,2;], where the first few nonzero terms of A026741 are (1, 1, 3, 2, 5, 3, 7,...). The triangle = A007318 * X. EXAMPLE First few rows of the triangle are: 1; 1, 1; 1, 2, 3; 1, 3, 9, 2; 1, 4, 18, 8, 5; 1, 5, 30, 20, 25, 3; 1, 6, 45, 40, 75, 18, 7; 1, 7, 63, 70, 175, 63, 49, 4; ... CROSSREFS Cf. A026741, A084860. Sequence in context: A058127 A244490 A133935 * A208330 A152440 A134319 Adjacent sequences:  A139630 A139631 A139632 * A139634 A139635 A139636 KEYWORD nonn,tabl AUTHOR Gary W. Adamson and Roger L. Bagula, Apr 27 2008 STATUS approved

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Last modified February 16 05:10 EST 2019. Contains 320140 sequences. (Running on oeis4.)