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A089620
a(n) = n^3 + prime(n).
1
3, 11, 32, 71, 136, 229, 360, 531, 752, 1029, 1362, 1765, 2238, 2787, 3422, 4149, 4972, 5893, 6926, 8071, 9334, 10727, 12250, 13913, 15722, 17677, 19786, 22059, 24498, 27113, 29918, 32899, 36074, 39443, 43024, 46807, 50810, 55035, 59486, 64173
OFFSET
1,1
COMMENTS
Sum of reciprocals = 0.492721804...
LINKS
FORMULA
a(n) = A000578(n) + A000040(n). - Amiram Eldar, Jul 12 2024
MATHEMATICA
Table[n^3+Prime[n], {n, 40}] (* Harvey P. Dale, Aug 22 2011 *)
PROG
(PARI) primeppwr(n, p) = { sr=0; for(x=1, n, y=x^p+prime(x); print1(y", "); sr+=1./y; ); print(); print(sr) }
CROSSREFS
Sequence in context: A319335 A104079 A332264 * A144335 A202091 A120844
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Dec 31 2003
STATUS
approved