A190578 a(n) = n^7 + n.

0, 2, 130, 2190, 16388, 78130, 279942, 823550, 2097160, 4782978, 10000010, 19487182, 35831820, 62748530, 105413518, 170859390, 268435472, 410338690, 612220050, 893871758, 1280000020, 1801088562, 2494357910, 3404825470, 4586471448

Offset: 0

Author

Vladimir Joseph Stephan Orlovsky, May 12 2011

Keywords

• nonn
• easy

Comments

a(n) = n^7 + n, A005843 for k=1, A002378 for k=2, A034262 for k=3, A091940 for k=4, A131471 for k=5, A131472 for k=6.

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..10000
• Index entries for linear recurrences with constant coefficients, signature (8, -28, 56, -70, 56, -28, 8, -1).

Crossrefs

Cf. A005843, A002378, A034262, A091940, A131471, A131472.

Programs

Magma

[n^7+n: n in [0..30]]; // Vincenzo Librandi, Sep 30 2011

Mathematica

k=7; Table[n^k+n,{n,0,50}]

Extensions

Offset changed from 1 to 0 by Vincenzo Librandi, Sep 30 2011