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 A172298 a(n) = A027641(n) * A164555(n). 3
 1, -1, 1, 0, 1, 0, 1, 0, 1, 0, 25, 0, 477481, 0, 49, 0, 13082689, 0, 1924313689, 0, 30489001321, 0, 730192467169, 0, 55867983514256281, 0, 73155570928609, 0, 564036899167989738841, 0, 74232720893311466588760025, 0, 59433630916551169012841089, 0, 6644474695172651051906689 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,11 COMMENTS Squares of Bernoulli number numerators (apart from the sign flipped at a(1)). The associated denominators of the squared Bernoulli numbers are in A172282. LINKS Table of n, a(n) for n=0..34. CROSSREFS Cf. A027641, A164555, A172282. Sequence in context: A179809 A110416 A028848 * A040630 A040631 A040632 Adjacent sequences: A172295 A172296 A172297 * A172299 A172300 A172301 KEYWORD sign AUTHOR Paul Curtz, Jan 31 2010 EXTENSIONS Edited and extended by R. J. Mathar, Feb 02 2010 STATUS approved

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Last modified May 28 12:20 EDT 2024. Contains 372913 sequences. (Running on oeis4.)