login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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
OFFSET
1,1
LINKS
MATHEMATICA
FoldList[Times, ContinuedFraction[Pi, 30]]
CROSSREFS
Partial products of A001223.
Sequence in context: A055555 A208731 A158888 * A305532 A005329 A341471
KEYWORD
nonn
AUTHOR
Harvey P. Dale, Jan 21 2020
STATUS
approved