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A174426 Denominator of fractions in A171676. 0
4, 36, 36, 144, 144, 144, 400, 400, 400, 400, 900, 900, 900, 900, 900, 1764, 1764, 1764, 1764, 1764, 1764, 3136, 3136, 3136, 3136, 3136, 3136, 3136, 5184, 5184, 5184, 5184, 5184, 5184, 5184, 5184, 8100, 8100, 8100, 8100, 8100, 8100, 8100, 8100, 8100 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

(Antidiagonal writing) fractions are 3/4, 5/36,5/36, 7/144,7/144,7/144, . Numerator:A171676. Rydberg-Ritz.

LINKS

Table of n, a(n) for n=0..44.

FORMULA

n times A035287(n+2).

CROSSREFS

Sequence in context: A323515 A144153 A027644 * A198642 A327998 A274891

Adjacent sequences:  A174423 A174424 A174425 * A174427 A174428 A174429

KEYWORD

nonn,frac

AUTHOR

Paul Curtz, Nov 28 2010

STATUS

approved

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Last modified October 27 09:55 EDT 2021. Contains 348274 sequences. (Running on oeis4.)