A088124 Let f(n,x) = 1 + 4x + 6x^2 + 8x^3 + 9x^4 + ... + composite(n)*x^n; a(n)= smallest prime f(n,x), or 0 if no such prime exists.
5, 11, 19, 241, 91393, 19004355761, 3121, 79, 456151, 113, 6214345434133, 647380324484508990481, 23727240537882663031640150881, 33371196003273361, 998893713465761, 251, 610748560241, 14136113, 5228581733308860742493949409
Offset: 1
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Extensions
More terms from Tom Mueller (muel4503(AT)uni-trier.de), May 04 2004