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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.

A376295 The binary expansion of a(n) is the reversal of the concatenation of the binary expansions of 1,...,n.

Table of values

n a(n)
1 1
2 3
3 27
4 59
5 1339
6 7483
7 122171
8 253243
9 19127611
10 186899771
11 7166221627
12 32936025403
13 1544764513595
14 16937927302459
15 544703508634939
16 1107653462056251
17 307352428123249979
18 5495499198854061371
19 466664101041592851771
20 3418143152835121110331
21 400096927713885319060795

List of values

[1, 3, 27, 59, 1339, 7483, 122171, 253243, 19127611, 186899771, 7166221627, 32936025403, 1544764513595, 16937927302459, 544703508634939, 1107653462056251, 307352428123249979, 5495499198854061371, 466664101041592851771, 3418143152835121110331, 400096927713885319060795]

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

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