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.

A048703 Numbers which in base 4 are palindromes and have an even number of digits.

Table of values

n a(n)
0 0
1 5
2 10
3 15
4 65
5 85
6 105
7 125
8 130
9 150
10 170
11 190
12 195
13 215
14 235
15 255
16 1025
17 1105
18 1185
19 1265
20 1285
21 1365
22 1445
23 1525
24 1545
25 1625
26 1705
27 1785
28 1805
29 1885
30 1965
31 2045
32 2050
33 2130
34 2210
35 2290
36 2310
37 2390

List of values

[0, 5, 10, 15, 65, 85, 105, 125, 130, 150, 170, 190, 195, 215, 235, 255, 1025, 1105, 1185, 1265, 1285, 1365, 1445, 1525, 1545, 1625, 1705, 1785, 1805, 1885, 1965, 2045, 2050, 2130, 2210, 2290, 2310, 2390]

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

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