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.

A147537 Numbers whose binary representation is the concatenation of 2n-1 digits 1 and n digits 0.

Table of values

n a(n)
1 2
2 28
3 248
4 2032
5 16352
6 131008
7 1048448
8 8388352
9 67108352
10 536869888
11 4294965248
12 34359734272
13 274877898752
14 2199023239168
15 17592186011648
16 140737488289792
17 1125899906711552
18 9007199254478848
19 72057594037403648
20 576460752302374912
21 4611686018425290752

List of values

[2, 28, 248, 2032, 16352, 131008, 1048448, 8388352, 67108352, 536869888, 4294965248, 34359734272, 274877898752, 2199023239168, 17592186011648, 140737488289792, 1125899906711552, 9007199254478848, 72057594037403648, 576460752302374912, 4611686018425290752]

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

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