|
| |
|
|
A047902
|
|
a(n+1) = a(n) * sum of digits of a(n).
|
|
2
| |
|
|
11, 22, 88, 1408, 18304, 292864, 9078784, 390387712, 15615508480, 671466864640, 38945078149120, 2375649767096320, 180549382299320320, 12638456760952422400, 960522713832384102400, 67236589968266887168000
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
MAPLE
| P:=proc(n) local a, i, k, w; a:=11; 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 (paoloplava(AT)gmail.com), Apr 27 2007
|
|
|
CROSSREFS
| Cf. A047892.
Sequence in context: A178664 A109687 A111696 * A081930 A143964 A034708
Adjacent sequences: A047899 A047900 A047901 * A047903 A047904 A047905
|
|
|
KEYWORD
| easy,nonn,base
|
|
|
AUTHOR
| Miklos SZABO (mike(AT)ludens.elte.hu)
|
| |
|
|
