OFFSET
1,1
COMMENTS
Numbers congruent to {27, 57, 91, 121} modulo 126. - Jianing Song, Apr 27 2022
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10000
Index entries for linear recurrences with constant coefficients, signature (1,0,0,1,-1)
FORMULA
a(n) = A258011(9*n).
From Jianing Song, Apr 27 2022: (Start)
a(n) = a(n-4) + 126.
a(n) = a(n-1) + a(n-4) - a(n-5).
G.f.: (27*x+30*x^2+34*x^3+30*x^4+5*x^5)/(1-x-x^4+x^5).
E.g.f: 1/2*(10 + cos(x) - sin(x) + (63*x-11)*cosh(x) + (63*x-8)*sinh(x)). (End)
PROG
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Antti Karttunen, Jul 27 2015
STATUS
approved