|
Search: id:A136501
|
|
|
| A136501 |
|
Triangle, read by rows, where T(n,k) = C(2^k,n-k) for n>=k>=0. |
|
+0
2
|
|
| 1, 1, 1, 0, 2, 1, 0, 1, 4, 1, 0, 0, 6, 8, 1, 0, 0, 4, 28, 16, 1, 0, 0, 1, 56, 120, 32, 1, 0, 0, 0, 70, 560, 496, 64, 1, 0, 0, 0, 56, 1820, 4960, 2016, 128, 1, 0, 0, 0, 28, 4368, 35960, 41664, 8128, 256, 1, 0, 0, 0, 8, 8008, 201376, 635376, 341376, 32640, 512, 1, 0, 0, 0, 1, 11440
(list; table; graph; listen)
|
|
|
OFFSET
|
0,5
|
|
|
EXAMPLE
|
Triangle begins:
1;
1, 1;
0, 2, 1;
0, 1, 4, 1;
0, 0, 6, 8, 1;
0, 0, 4, 28, 16, 1;
0, 0, 1, 56, 120, 32, 1;
0, 0, 0, 70, 560, 496, 64, 1;
0, 0, 0, 56, 1820, 4960, 2016, 128, 1;
0, 0, 0, 28, 4368, 35960, 41664, 8128, 256, 1;
0, 0, 0, 8, 8008, 201376, 635376, 341376, 32640, 512, 1;
0, 0, 0, 1, 11440, 906192, 7624512, 10668000, 2763520, 130816, 1024, 1;
|
|
PROGRAM
|
(PARI) T(n, k)=binomial(2^k, n-k)
|
|
CROSSREFS
|
Cf. A121688 (row sums); A014070 (central terms); A136502 (matrix inverse).
Adjacent sequences: A136498 A136499 A136500 this_sequence A136502 A136503 A136504
Sequence in context: A118350 A109970 A116088 this_sequence A128307 A034369 A055277
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Paul D. Hanna (pauldhanna(AT)juno.com), Jan 01 2008
|
|
|
Search completed in 0.002 seconds
|
