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.

A086904 Write the primes in binary; a(n) = total number of 0's in those which have an n-bit expansion.

Table of values

n a(n)
2 1
3 1
4 2
5 7
6 13
7 35
8 71
9 147
10 298
11 622
12 1270
13 2558
14 5257
15 10509
16 21297
17 42852
18 86258
19 173528
20 348187
21 699590
22 1404936
23 2818606
24 5657411
25 11345622
26 22746823
27 45605127
28 91421299
29 183206338
30 367111951
31 735525895
32 1473503602
33 2951661316
34 5911864292
35 11840082252

List of values

[1, 1, 2, 7, 13, 35, 71, 147, 298, 622, 1270, 2558, 5257, 10509, 21297, 42852, 86258, 173528, 348187, 699590, 1404936, 2818606, 5657411, 11345622, 22746823, 45605127, 91421299, 183206338, 367111951, 735525895, 1473503602, 2951661316, 5911864292, 11840082252]

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

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