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 A143470 Triangle read by rows, A000012 * A143316, 1<=k<=n. 1
 1, 3, 1, 7, 1, 1, 11, 3, 1, 1, 19, 3, 1, 1, 1, 23, 7, 3, 1, 1, 1, 35, 7, 3, 1, 1, 1, 43, 11, 3, 3, 1, 1, 1, 1, 55, 11, 7, 3, 1, 1, 1, 1, 1, 63, 19, 7, 3, 31, 1, 1, 1, 1, 83, 19, 7, 3, 3, 1, 1, 1, 1, 1, 1, 91, 23, 11, 7, 3, 3, 1, 1, 1, 1, 1, 1, 115, 23, 11, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums = n^2 LINKS FORMULA Triangle read by rows, A000012 * A143316, 1<=k<=n, where the operation A000012 * A143316 takes partial sums of A143316 terms by columns. EXAMPLE First few rows of the triangle = 1; 3, 1; 7, 1, 1; 11, 3, 1, 1; 19, 3, 1, 1, 1; 23, 7, 3, 1, 1, 1; 35, 7, 3, 1, 1, 1, 1; ... CROSSREFS Cf. A143316. Sequence in context: A272030 A026499 A242114 * A114580 A257597 A097229 Adjacent sequences:  A143467 A143468 A143469 * A143471 A143472 A143473 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Aug 17 2008 STATUS approved

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Last modified January 20 21:36 EST 2019. Contains 319336 sequences. (Running on oeis4.)