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 A152830 Triangle read by rows, A007318 rows repeated four times . 9
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 4, 6, 4, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 5, 10, 10, 5, 1, 1, 6, 15, 20, 15, 6, 1, 1, 6, 15, 20, 15, 6, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,14 COMMENTS Diagonal sums : A103372 . LINKS G. C. Greubel, Table of n, a(n) for the first 50 rows, flattened EXAMPLE Triangle begins : 1 ; 1 ; 1 ; 1 ; 1,1 ; 1,1 ; 1,1 ; 1,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,2,1 ; 1,3,3,1 ; ... MATHEMATICA Flatten[Table[#, {4}]&/@Table[Binomial[n, k], {n, 0, 6}, {k, 0, n}]] (* Harvey P. Dale, Sep 23 2015 *) CROSSREFS Cf. A007318, A152198, A152815, A152828. Sequence in context: A161074 A161113 A161048 * A175409 A161073 A161112 Adjacent sequences:  A152827 A152828 A152829 * A152831 A152832 A152833 KEYWORD easy,nonn,tabf AUTHOR Philippe Deléham, Dec 13 2008 STATUS approved

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Last modified May 16 12:46 EDT 2021. Contains 343947 sequences. (Running on oeis4.)