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 A114278 A triangle generated by a family of Sierpinski-triangle related polynomials. 2
 1, 1, 1, 1, 3, 1, 1, 5, 3, 1, 1, 7, 7, 5, 1, 1, 9, 13, 15, 5, 1, 1, 11, 21, 35, 15, 7, 1, 1, 13, 31, 69, 35, 27, 7, 1, 1, 15, 43, 121, 71, 77, 29, 9, 1, 1, 17, 57, 195, 131, 183, 91, 45, 9, 1, 1, 19, 73, 295, 225, 385, 239, 165, 45, 11, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 COMMENTS Inverse has row sums 0^n (conjecture). Row sums are A114279. LINKS FORMULA Column k has g.f. x^k*sum{j=0..k, mod(C(k, j), 2)*x^j}/(1-x)^(k+1); Column k has g.f. x^k*sum{j=0..k, A001316(j)*A114280(k, j)*x^j/(1-x)^(j+1)}. EXAMPLE Triangle begins 1; 1, 1; 1, 3, 1; 1, 5, 3, 1; 1, 7, 7, 5, 1; 1, 9,13,15, 5, 1; 1,11,21,35,15, 7, 1; CROSSREFS Sequence in context: A181109 A152720 A131247 * A134836 A180955 A191751 Adjacent sequences:  A114275 A114276 A114277 * A114279 A114280 A114281 KEYWORD easy,nonn,tabl AUTHOR Paul Barry, Nov 20 2005 STATUS approved

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Last modified October 20 20:18 EDT 2019. Contains 328273 sequences. (Running on oeis4.)