|
Search: id:A008958
|
|
|
| A008958 |
|
Triangle of central factorial numbers 4^k T(2n+1,2n+1-2k). |
|
+0
6
|
|
| 1, 1, 1, 1, 10, 1, 1, 35, 91, 1, 1, 84, 966, 820, 1, 1, 165, 5082, 24970, 7381, 1, 1, 286, 18447, 273988, 631631, 66430, 1, 1, 455, 53053, 1768195, 14057043, 15857205, 597871, 1, 1, 680, 129948, 8187608, 157280838, 704652312, 397027996, 5380840, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
0,5
|
|
|
REFERENCES
|
J. Riordan, Combinatorial Identities, Wiley, 1968, p. 217.
|
|
FORMULA
|
G.f. of i-th right-hand column is x/Prod[j=1..i+1, 1-(2j-1)^2*x ].
|
|
CROSSREFS
|
Cf. A008955-A008957, A036969.
Columns include A000447. Right-hand columns include A002452, A002453.
Sequence in context: A010177 A096089 A010176 this_sequence A129274 A022173 A015124
Adjacent sequences: A008955 A008956 A008957 this_sequence A008959 A008960 A008961
|
|
KEYWORD
|
nonn,tabl,easy,nice
|
|
AUTHOR
|
njas
|
|
EXTENSIONS
|
More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Apr 16 2000
|
|
|
Search completed in 0.002 seconds
|
