|
Search: id:A122209
|
|
| |
|
| 4, 87, 1556, 13275, 65796, 239087, 710844, 1789395, 4083404, 8384727, 16156884, 29194283, 50363460, 82888311, 132264452, 204330315, 306450780, 450504551, 647579748, 913503459, 1262033828, 1725350295, 2318488092, 3072687971
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Prime a(n) are listed in A122210[n] = {239087,29194283,13459558559,2330212120559,591302115428891,...}. Corresponding numbers n such that a(n) is a prime are listed in A122211[n] = {6,12,30,66,156,180,228,336,366,...}.
|
|
FORMULA
|
a(n) = Sum[ Prime[k]^2, {k,1,n^2} ]. a(n) = A024450[n^2].
|
|
MATHEMATICA
|
Table[Sum[Prime[k]^2, {k, 1, n^2}], {n, 1, 50}]
|
|
CROSSREFS
|
Cf. A122210, A122211, A024450, A098561, A098562.
Sequence in context: A130268 A162086 A116320 this_sequence A059577 A028554 A154137
Adjacent sequences: A122206 A122207 A122208 this_sequence A122210 A122211 A122212
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Alexander Adamchuk (alex(AT)kolmogorov.com), Aug 25 2006
|
|
|
Search completed in 0.002 seconds
|
