|
Search: id:A057651
|
|
| |
|
| 1, 7, 37, 187, 937, 4687, 23437, 117187, 585937, 2929687, 14648437, 73242187, 366210937, 1831054687, 9155273437, 45776367187, 228881835937, 1144409179687, 5722045898437, 28610229492187, 143051147460937, 715255737304687, 3576278686523437
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
FORMULA
|
G.f.: (1+x)/(1-6*x+5*x^2).
a(0)=1, a(n) = 5*a(n-1) + 2; a(n) = a(n-1)+ 6*{5^(n-1)}. - Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 27 2001
|
|
MAPLE
|
G.f=x*(1+x)/(1-5*x)/(1-x): gser:=series(g, x=0, 43): seq(coeff(gser, x, n), n=1..30); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 11 2009]
|
|
CROSSREFS
|
Sequence in context: A117424 A037546 A140476 this_sequence A106925 A085640 A069378
Adjacent sequences: A057648 A057649 A057650 this_sequence A057652 A057653 A057654
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Oct 13 2000
|
|
|
Search completed in 0.002 seconds
|
