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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.

A117507 Numerators of partial sums of the Brun series divided by 4.

Table of values

n a(n)
1 2
2 23
3 3919
4 1400972
5 1332221503
6 2440266733544
7 9013120937567806
8 47710925260763230958
9 503649376979113850651329
10 5954610779280903922363948937
11 114594038963707117577230115067496

List of values

[2, 23, 3919, 1400972, 1332221503, 2440266733544, 9013120937567806, 47710925260763230958, 503649376979113850651329, 5954610779280903922363948937, 114594038963707117577230115067496]

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

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