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 A130791 Triangle read by rows: n-th row is the lexicographically earliest arithmetic progression of n primes beginning with A007918(n). 5
 2, 2, 3, 3, 5, 7, 5, 11, 17, 23, 5, 11, 17, 23, 29, 7, 37, 67, 97, 127, 157, 7, 157, 307, 457, 607, 757, 907, 11, 1210241, 2420471, 3630701, 4840931, 6051161, 7261391, 8471621, 11, 32671181, 65342351, 98013521, 130684691, 163355861, 196027031, 228698201, 261369371 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS If we omit the first row, is this the same triangle as A113460? Equivalently, do A061558 and A113461 agree apart from the initial term? Answer: almost certainly not! LINKS Ray Chandler, Table of n, a(n) for n=1..153 Andrew Granville, Prime Number Patterns EXAMPLE Triangle begins: 2 2 3 3 5 7 5 11 17 23 5 11 17 23 29 7 37 67 97 127 157 7 157 307 457 607 757 907 11 1210241 2420471 3630701 4840931 6051161 7261391 8471621 11 32671181 65342351 98013521 130684691 163355861 196027031 228698201 261369371 CROSSREFS For common differences see A061558. Sequence in context: A079955 A192928 A136417 * A133277 A133276 A055501 Adjacent sequences:  A130788 A130789 A130790 * A130792 A130793 A130794 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Sep 22 2007, Oct 17 2007 EXTENSIONS Extended by Ray Chandler, Sep 22 2007 STATUS approved

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Last modified December 11 03:29 EST 2018. Contains 318049 sequences. (Running on oeis4.)