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A126772
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Padovan factorials: a(n) is the product of the first n terms of the Padovan sequence. Similar to the Fibonacci factorial.
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2
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1, 1, 1, 2, 4, 12, 48, 240, 1680, 15120, 181440, 2903040, 60963840, 1706987520, 63158538240, 3094768373760, 201159944294400, 17299755209318400, 1972172093862297600, 297797986173206937600, 59559597234641387520000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,4
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LINKS
| I. Stewart, Tales of a Neglected Number
Eric Weisstein's World of Mathematics, Padovan Sequence
E. Wilson, The Scales of Mt. Meru
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MAPLE
| Contribution from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 14 2010: (Start)
A000931 := proc(n) option remember; if n = 0 then 1; elif n <=2 then 0; else procname(n-2)+procname(n-3) ; end if; end proc:
A126772 := proc(n) mul( A000931(i), i=5..n+4) ; end proc: seq(A126772(n), n=1..40) ; (End)
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CROSSREFS
| Cf. A000931 A003266.
Sequence in context: A098558 A152827 A030813 * A030949 A030888 A030801
Adjacent sequences: A126769 A126770 A126771 * A126773 A126774 A126775
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KEYWORD
| nonn,easy
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AUTHOR
| John Lien (lienmeister(AT)gmail.com), Feb 17 2007
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 14 2010
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