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Search: id:A047898
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| A047898 |
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a(n+1) = a(n) * sum of digits of a(n). |
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+0
1
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| 6, 36, 324, 2916, 52488, 1417176, 38263752, 1377495072, 61987278240, 3347313024960, 150629086123200, 6778308875544000, 488038239039168000, 35138753210820096000, 2213741452281666048000, 159389384564279955456000
(list; graph; listen)
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OFFSET
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6,1
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MAPLE
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P:=proc(n) local a, i, k, w; a:=6; print(a); for i from 1 by 1 to n do w:=0; k:=a; while k>0 do w:=w+k-(trunc(k/10)*10); k:=trunc(k/10); od; a:=a*w; print(a); od; end: P(1000); - Paolo P. Lava (ppl(AT)spl.at), Apr 27 2007
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CROSSREFS
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Cf. A047892.
Sequence in context: A125795 A138418 A064239 this_sequence A098559 A129584 A052559
Adjacent sequences: A047895 A047896 A047897 this_sequence A047899 A047900 A047901
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KEYWORD
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easy,nonn,base
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AUTHOR
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Miklos SZABO (mike(AT)ludens.elte.hu)
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