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.

A241241 If x is in the sequence then so are x^2 and x(x+1)/2.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 6
7 9
8 10
9 16
10 21
11 36
12 45
13 55
14 81
15 100
16 136
17 231
18 256
19 441
20 666
21 1035
22 1296
23 1540
24 2025
25 3025
26 3321
27 5050
28 6561
29 9316
30 10000
31 18496
32 26796
33 32896
34 53361
35 65536
36 97461
37 194481
38 222111
39 443556
40 536130
41 840456
42 1071225
43 1186570
44 1679616
45 2051325

List of values

[0, 1, 2, 3, 4, 6, 9, 10, 16, 21, 36, 45, 55, 81, 100, 136, 231, 256, 441, 666, 1035, 1296, 1540, 2025, 3025, 3321, 5050, 6561, 9316, 10000, 18496, 26796, 32896, 53361, 65536, 97461, 194481, 222111, 443556, 536130, 840456, 1071225, 1186570, 1679616, 2051325]

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

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