A123659 a(n) = 1 + n^4 + n^6 + n^9 + n^10 + n^14.

6, 18001, 4862512, 269750529, 6115250626, 78434755921, 678546021756, 4399254736897, 22880667197854, 100011001010001, 379778130741736, 1283985544700161, 3937524853545882, 11112316748827729, 29193541130581876

Offset: 1

Author

Jonathan Vos Post, Oct 05 2006

Keywords

• easy
• nonn

Links

• G. C. Greubel, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A001358, A002523, A091940, A123177, A123656-A123659.

Programs

Magma

[1 + n^4 + n^6 + n^9 + n^10 + n^14: n in [1..25]]; // G. C. Greubel, Oct 17 2017

Mathematica

Table[1 + n^4 + n^6 + n^9 + n^10 + n^14, {n, 1, 50}] (* G. C. Greubel, Oct 17 2017 *)

PARI

for(n=1,25, print1(1 + n^4 + n^6 + n^9 + n^10 + n^14, ", ")) \\ G. C. Greubel, Oct 17 2017

Formula

a(n) = 1 + n^4 + n^6 + n^9 + n^10 + n^14.