A091882 Expansion of g.f. (1-10x)/(1-15x).

1, 5, 75, 1125, 16875, 253125, 3796875, 56953125, 854296875, 12814453125, 192216796875, 2883251953125, 43248779296875, 648731689453125, 9730975341796875, 145964630126953125, 2189469451904296875, 32842041778564453125, 492630626678466796875, 7389459400177001953125

Offset

0,2

Comments

Binomial transform is A091881.

Links

Table of n, a(n) for n=0..19.

Index entries for linear recurrences with constant coefficients, signature (15).

Formula

a(n) = 15^n/3 + 2*0^n/3.

E.g.f.: (2 + exp(15*x))/3. - Stefano Spezia, Oct 19 2023

Mathematica

LinearRecurrence[{15}, {1, 5}, 20] (* Stefano Spezia, Oct 19 2023 *)

Crossrefs

Cf. A091881.

Sequence in context: A248340 A224088 A219462 * A034688 A238608 A132855

Adjacent sequences: A091879 A091880 A091881 * A091883 A091884 A091885

Keyword

easy,nonn

Author

Paul Barry, Feb 10 2004

Extensions

a(17)-a(19) from Stefano Spezia, Oct 19 2023

Status

approved