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.

A026271 a(n) = sum of the numbers between the two n's in A026242.

Table of values

n a(n)
1 0
2 3
3 6
4 14
5 25
6 33
7 49
8 60
9 81
10 105
11 121
12 150
13 182
14 203
15 240
16 264
17 306
18 351
19 380
20 430
21 462
22 517
23 575
24 612
25 675
26 741
27 783
28 854
29 899
30 975
31 1054
32 1104
33 1188
34 1275
35 1330
36 1422
37 1480
38 1577
39 1677
40 1740
41 1845
42 1911
43 2021
44 2134
45 2205

List of values

[0, 3, 6, 14, 25, 33, 49, 60, 81, 105, 121, 150, 182, 203, 240, 264, 306, 351, 380, 430, 462, 517, 575, 612, 675, 741, 783, 854, 899, 975, 1054, 1104, 1188, 1275, 1330, 1422, 1480, 1577, 1677, 1740, 1845, 1911, 2021, 2134, 2205]

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

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