|
Search: id:A066976
|
|
|
| A066976 |
|
a(0) = 1; for n>0: a(n) = sum{a(i)*n^i : 0<=i<n}. |
|
+0
1
|
|
| 1, 1, 3, 31, 2037, 1277081, 9933228619, 1168655882598723, 2450851625481815985865, 2736427656021274732181782085698646439681516475371
(list; graph; listen)
|
|
|
OFFSET
|
0,3
|
|
|
EXAMPLE
|
a(3) = a(0)*3^0 + a(1)*3^1 + a(2)*3^2 =
a(0)*1 + (a(0)*1^0 )*3 + (a(0)*1^0 + a(1)*1^1)*9 =
1 + (1)*3 + (1 + 1)*9 = 1 + 3 + 27 = 31.
|
|
CROSSREFS
|
Sequence in context: A136584 A141153 A081789 this_sequence A048562 A022499 A129209
Adjacent sequences: A066973 A066974 A066975 this_sequence A066977 A066978 A066979
|
|
KEYWORD
|
nonn,nice
|
|
AUTHOR
|
Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jan 26, 2002
|
|
|
Search completed in 0.002 seconds
|
