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.

A048223 a(n)=T(n,1)+T(n,n), array T given by A048212.

Table of values

n a(n)
1 4
2 4
3 11
4 19
5 29
6 39
7 54
8 72
9 89
10 113
11 137
12 163
13 189
14 216
15 254
16 288
17 323
18 363
19 402
20 446
21 495
22 544
23 593
24 651
25 710
26 772
27 835
28 898
29 964
30 1036
31 1106
32 1185
33 1263
34 1341
35 1420
36 1504
37 1591
38 1681
39 1770
40 1860
41 1963
42 2063
43 2165
44 2271
45 2378

List of values

[4, 4, 11, 19, 29, 39, 54, 72, 89, 113, 137, 163, 189, 216, 254, 288, 323, 363, 402, 446, 495, 544, 593, 651, 710, 772, 835, 898, 964, 1036, 1106, 1185, 1263, 1341, 1420, 1504, 1591, 1681, 1770, 1860, 1963, 2063, 2165, 2271, 2378]

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

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