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 A071020 Square array T(i,j) = Bernoulli(2i)*Bernoulli(2j) read by antidiagonals: numerators. 1
 1, 1, 1, -1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 5, -1, -1, -1, -1, 5, -691, 5, 1, 1, 1, 5, -691, 7, -691, -1, -1, -1, -1, -691, 7, -3617, 7, 691, 5, 1, 5, 691, 7, -3617, 43867, -3617, -7, -691, -1, -1, -691, -7, -3617, 43867, -174611, 43867, 3617, 1, 691, 25, 691, 1, 3617, 43867, -174611, 854513, -174611 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,16 LINKS Table of n, a(n) for n=0..67. CROSSREFS Cf. A071021. Sequence in context: A170825 A140214 A343431 * A046601 A101025 A028315 Adjacent sequences: A071017 A071018 A071019 * A071021 A071022 A071023 KEYWORD sign,frac,tabl AUTHOR N. J. A. Sloane, May 24 2002 STATUS approved

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Last modified June 9 10:32 EDT 2023. Contains 363178 sequences. (Running on oeis4.)