|
| |
|
|
A119731
|
|
f-Pascal's triangle where f(n)=n^3=A000578(n).
|
|
1
| |
|
|
1, 1, 1, 1, 2, 1, 1, 9, 9, 1, 1, 730, 1458, 730, 1, 1, 389017001, 3488380912, 3488380912, 389017001, 1
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,5
|
|
|
FORMULA
| T(n,k) = T(n-1,k-1)^3 + T(n-1,k)^3 ; T(0,0) = 1 ; T(n,k) = 0 if k<0 or if k>n.
|
|
|
EXAMPLE
| Triangle begins;
1;
1, 1;
1, 2, 1;
1, 9, 9, 1;
1, 730, 1458, 730, 1;
1, 389017001, 3488380912, 3488380912, 389017001, 1;
|
|
|
CROSSREFS
| Cf. A007318.
Sequence in context: A108558 A128434 A176417 * A155718 A054768 A104251
Adjacent sequences: A119728 A119729 A119730 * A119732 A119733 A119734
|
|
|
KEYWORD
| nonn,tabl
|
|
|
AUTHOR
| Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jun 14 2006
|
| |
|
|