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.

A055145 The first n digits of the juxtaposition of the base-4 numbers converted to decimal.

Table of values

n a(n)
1 1
2 6
3 27
4 109
5 436
6 1745
7 6981
8 27925
9 111702
10 446809
11 1787239
12 7148958
13 28595832
14 114383330
15 457533321
16 1830133286
17 7320533146
18 29282132586
19 117128530347
20 468514121391
21 1874056485564
22 7496225942259
23 29984903769037

List of values

[1, 6, 27, 109, 436, 1745, 6981, 27925, 111702, 446809, 1787239, 7148958, 28595832, 114383330, 457533321, 1830133286, 7320533146, 29282132586, 117128530347, 468514121391, 1874056485564, 7496225942259, 29984903769037]

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

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