|
| |
|
|
A153661
|
|
Triangle read by rows: R(n,k)=2^(composite(n)-composite(k)) mod composite(n), 1<=k<=n.
|
|
3
| |
|
|
1, 4, 1, 0, 4, 1, 5, 8, 2, 1, 4, 6, 4, 2, 1, 4, 4, 4, 8, 4, 1, 2, 4, 8, 4, 2, 4, 1, 8, 2, 8, 4, 2, 8, 2, 1, 0, 0, 0, 0, 0, 0, 4, 2, 1, 4, 10, 16, 8, 4, 10, 16, 8, 4, 1, 16, 4, 16, 8, 4, 16, 4, 12, 16, 4, 1, 11, 8, 2, 1, 11, 8, 2, 1, 11, 8, 2, 1, 14, 20, 16, 8, 4, 12, 14, 18, 20, 16, 4, 2, 1, 16, 16, 16, 8, 16, 16, 16, 8, 16, 16, 16, 8, 4, 1
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
EXAMPLE
| Triangle begins:
1,
4, 1,
0, 4, 1,
5, 8, 2, 1,
4, 6, 4, 2, 1,
4, 4, 4, 8, 4, 1,
|
|
|
MAPLE
| A153661 := proc(n, k) modp(2^(A002808(n)-A002808(k)), A002808(n)) ; end proc: # R. J. Mathar, Dec 15 2010
|
|
|
CROSSREFS
| Cf. A000079, A002808, A175156.
Sequence in context: A084119 A166073 A122899 * A021713 A122388 A094918
Adjacent sequences: A153658 A153659 A153660 * A153662 A153663 A153664
|
|
|
KEYWORD
| nonn,tabl,easy,less
|
|
|
AUTHOR
| Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Dec 12 2010
|
|
|
EXTENSIONS
| Terms corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 15 2010
|
| |
|
|
