login
A139743
a(n) = 11^n - 5^n.
2
0, 6, 96, 1206, 14016, 157926, 1755936, 19409046, 213968256, 2355994566, 25927658976, 285262842486, 3138184236096, 34521491440806, 379743730067616, 4177217651837526, 45949577275681536, 505446265559840646, 5559913498794965856, 61159071374928218166
OFFSET
0,2
FORMULA
a(n) = 16*a(n-1) - 55*a(n-2). - Vincenzo Librandi, Jun 02 2011
a(n) = 6*A016165(n-1) for n >= 1. - Philippe Deléham, Mar 23 2023
PROG
(Magma) [11^n-5^n: n in [0..30]]; // Vincenzo Librandi, Jun 02 2011
CROSSREFS
Cf. A016165.
Cf. A000351 (5^n), A001020 (11^n).
Sequence in context: A202078 A227262 A001805 * A361737 A156460 A038094
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 20 2008
STATUS
approved