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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.

A127200 Numerator of n-th partial sum of the Van der Waerden-Ulam binary measure of the primes.

Table of values

n a(n)
2 1
3 1
4 5
5 23
6 49
7 51
8 13
9 105
10 211
11 1693
12 3391
13 1697
14 6791
15 13585
16 27173
17 108699
18 217405
19 217409
20 217411
21 54353
22 434825
23 6957209
24 13914427
25 27828863
26 55657735
27 111315479
28 222630967
29 55657743
30 445261949
31 1781047807
32 3562095625

List of values

[1, 1, 5, 23, 49, 51, 13, 105, 211, 1693, 3391, 1697, 6791, 13585, 27173, 108699, 217405, 217409, 217411, 54353, 434825, 6957209, 13914427, 27828863, 55657735, 111315479, 222630967, 55657743, 445261949, 1781047807, 3562095625]

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

Content is available under The OEIS End-User License Agreement.