A071020 - OEIS

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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, 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: A140214 A343431 A366374 * 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