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A331583 Product of first n terms of continued fraction expansion of Pi. 1
3, 21, 315, 315, 91980, 91980, 91980, 91980, 183960, 183960, 551880, 551880, 7726320, 15452640, 15452640, 15452640, 30905280, 61810560, 123621120, 247242240, 247242240, 20768348160, 41536696320, 41536696320, 41536696320, 623050444800, 1869151334400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

FoldList[Times, ContinuedFraction[Pi, 30]]

CROSSREFS

Partial products of A001223.

Sequence in context: A055555 A208731 A158888 * A305532 A005329 A134528

Adjacent sequences:  A331580 A331581 A331582 * A331584 A331585 A331586

KEYWORD

nonn

AUTHOR

Harvey P. Dale, Jan 21 2020

STATUS

approved

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Last modified September 18 23:30 EDT 2020. Contains 337175 sequences. (Running on oeis4.)