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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A123855 a(n) = Sum_{j=1..n} Sum_{i=1..n} prime(i)^j.

Table of values

n a(n)
1 2
2 18
3 208
4 3730
5 201092
6 7335762
7 526460272
8 26465563878
9 2363769149128
10 487833920370774
11 40049421223880084
12 7972075784185713954
13 1235006486302921316794
14 124887894202756460238954

List of values

[2, 18, 208, 3730, 201092, 7335762, 526460272, 26465563878, 2363769149128, 487833920370774, 40049421223880084, 7972075784185713954, 1235006486302921316794, 124887894202756460238954]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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