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A017440
a(n) = (11*n + 4)^4.
12
256, 50625, 456976, 1874161, 5308416, 12117361, 24010000, 43046721, 71639296, 112550881, 168896016, 244140625, 342102016, 466948881, 623201296, 815730721, 1049760000, 1330863361, 1664966416, 2058346161, 2517630976, 3049800625, 3662186256, 4362470401, 5158686976, 6059221281
OFFSET
0,1
FORMULA
From G. C. Greubel, Sep 18 2019: (Start)
G.f.: (256 +49345*x +206411*x^2 -92971*x^3 +2401*x^4)/(1-x)^5.
E.g.f.: (256 + 50369*x + 177991*x^2 + 109142*x^3 + 14641*x^4)*exp(x). (End)
MAPLE
seq((11*n + 4)^4, n=0..30); # G. C. Greubel, Sep 18 2019
MATHEMATICA
(11*Range[30] -7)^4 (* G. C. Greubel, Sep 18 2019 *)
PROG
(PARI) vector(30, n, (11*n-7)^4) \\ G. C. Greubel, Sep 18 2019
(Magma) [(11*n+4)^4: n in [0..30]]; // G. C. Greubel, Sep 18 2019
(Sage) [(11*n+4)^4 for n in (0..30)] # G. C. Greubel, Sep 18 2019
(GAP) List([0..30], n-> (11*n+4)^4); # G. C. Greubel, Sep 18 2019
CROSSREFS
Powers of the form (11*n+4)^m: A017437 (m=1), A017438 (m=2), A017439 (m=3), this sequence (m=4), A017441 (m=5), A017442 (m=6), A017443 (m=7), A017444 (m=8), A017445 (m=9), A017446 (m=10), A017447 (m=11), A017448 (m=12).
Sequence in context: A132637 A114850 A362498 * A237068 A204302 A264096
KEYWORD
nonn,easy
EXTENSIONS
Terms a(20) onward added by G. C. Greubel, Sep 18 2019
STATUS
approved