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A217757
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Product_{i=0..n} (i! + 1).
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6
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2, 4, 12, 84, 2100, 254100, 183206100, 923541950100, 37238134969982100, 13513011656042074430100, 49036030210457135734021310100, 1957361459740805606124917565020990100, 937579272951542930363610919638075856505150100
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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MAPLE
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a:= proc(n) a(n):= `if`(n=0, 2, a(n-1)*(n!+1)) end:
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MATHEMATICA
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Rest[FoldList[Times, 1, Range[0, 15]!+1]] (* Harvey P. Dale, May 28 2013 *)
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PROG
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(JavaScript)
function factorial(n) {
var i, c=1;
for (i=2; i<=n; i++) c*=i;
return c;
}
a=2;
for (j=1; j<10; j++) {
a*=(factorial(j)+1);
document.write(a+", ");
}
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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