|
| |
|
|
A053700
|
|
a(n) = 111111 in base n.
|
|
9
| |
|
|
6, 63, 364, 1365, 3906, 9331, 19608, 37449, 66430, 111111, 177156, 271453, 402234, 579195, 813616, 1118481, 1508598, 2000719, 2613660, 3368421, 4288306, 5399043, 6728904, 8308825, 10172526, 12356631, 14900788, 17847789, 21243690, 25137931
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
FORMULA
| a(n) =n^5+n^4+n^3+n^2+n+1 =(n^6-1)/(n-1)
|
|
|
EXAMPLE
| a(3)=364 because 111111 base 3 =243+81+27+9+3+1=121
|
|
|
MATHEMATICA
| Table[(n^5+n^4+n^3+n^2+n+1), {n, 0, 5!}] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 06 2010]
|
|
|
CROSSREFS
| Sequence in context: A027811 A027950 A184447 * A123615 A053535 A039937
Adjacent sequences: A053697 A053698 A053699 * A053701 A053702 A053703
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Henry Bottomley (se16(AT)btinternet.com), Mar 23 2000
|
| |
|
|
