|
Search: id:A051947
|
|
| |
|
| 1, 10, 49, 168, 462, 1092, 2310, 4488, 8151, 14014, 23023, 36400, 55692, 82824, 120156, 170544, 237405, 324786, 437437, 580888, 761530, 986700, 1264770, 1605240, 2018835, 2517606, 3115035, 3826144
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
|
|
FORMULA
|
a(n)=C(n+5, 5)*(2n+3)/3.
G.f.: (1+3*x)/(1-x)^7.
|
|
CROSSREFS
|
Cf. A034263.
Cf. A093561 ((4, 1) Pascal, column m=6).
Sequence in context: A045770 A035237 A056578 this_sequence A061861 A036786 A085444
Adjacent sequences: A051944 A051945 A051946 this_sequence A051948 A051949 A051950
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Barry E. Williams, Dec 21 1999
|
|
EXTENSIONS
|
Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 09 2006
|
|
|
Search completed in 0.002 seconds
|
