cp's OEIS Frontend

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.

A387414 Numbers k such that the binary expansion of k is a prefix of the binary expansion of A003961(k), where A003961 is fully multiplicative with a(p) = nextprime(p).

Table of values

n a(n)
1 1
2 4
3 10
4 18
5 57
6 348
7 1054
8 2626
9 60625
10 68727
11 129260
12 192276
13 675348
14 960320
15 5368464
16 12371554
17 30078308
18 356311953
19 1158654378
20 1673018314

List of values

[1, 4, 10, 18, 57, 348, 1054, 2626, 60625, 68727, 129260, 192276, 675348, 960320, 5368464, 12371554, 30078308, 356311953, 1158654378, 1673018314]

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

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