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.

A285113 Row sums of A285116: a(n) = 2 + Sum_{k=1..(n-1)} (C(n-1,k-1) bitwise-or C(n-1,k)), a(0) = 1, a(1) = 2.

Table of values

n a(n)
0 1
1 2
2 3
3 8
4 11
5 24
6 52
7 108
8 207
9 448
10 720
11 1376
12 2892
13 5544
14 12532
15 23448
16 47239
17 98112
18 186672
19 377896
20 743656
21 1519816
22 2983160
23 6354536
24 11975324
25 25917040
26 48312920
27 100406048
28 196868844
29 397726592
30 788233496
31 1578253728
32 3225757559
33 6275638528
34 13012144160
35 25792000088
36 51825463000
37 104303846272
38 206598440472

List of values

[1, 2, 3, 8, 11, 24, 52, 108, 207, 448, 720, 1376, 2892, 5544, 12532, 23448, 47239, 98112, 186672, 377896, 743656, 1519816, 2983160, 6354536, 11975324, 25917040, 48312920, 100406048, 196868844, 397726592, 788233496, 1578253728, 3225757559, 6275638528, 13012144160, 25792000088, 51825463000, 104303846272, 206598440472]

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

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