A248343 a(n) = 10^n - 8^n.
0, 2, 36, 488, 5904, 67232, 737856, 7902848, 83222784, 865782272, 8926258176, 91410065408, 931280523264, 9450244186112, 95601953488896, 964815627911168, 9718525023289344, 97748200186314752, 981985601490518016, 9855884811924144128
Offset: 0
Links
- Index entries for linear recurrences with constant coefficients, signature (18,-80).
Programs
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Magma
[10^n-8^n: n in [0..30]];
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Mathematica
Table[10^n - 8^n, {n, 0, 25}] (* or *) CoefficientList[Series[2 x/((1 - 8 x) (1 - 10 x)), {x, 0, 30}], x] LinearRecurrence[{18,-80},{0,2},30] (* Harvey P. Dale, May 21 2018 *)