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.

A139121 Total number of letters in the preceding terms spelled out in French.

Table of values

n a(n)
1 0
2 4
3 10
4 13
5 19
6 26
7 34
8 46
9 57
10 70
11 81
12 94
13 113
14 123
15 137
16 151
17 168
18 184
19 205
20 217
21 232
22 250
23 267
24 287
25 310
26 322
27 340
28 357
29 379
30 403
31 418
32 435
33 455
34 478
35 503
36 516
37 529
38 546
39 565
40 585
41 608
42 619
43 633
44 651
45 671
46 692
47 715
48 729
49 746
50 765
51 785
52 808
53 820
54 833
55 852
56 873
57 895
58 920
59 933
60 952
61 973
62 995
63 1020

List of values

[0, 4, 10, 13, 19, 26, 34, 46, 57, 70, 81, 94, 113, 123, 137, 151, 168, 184, 205, 217, 232, 250, 267, 287, 310, 322, 340, 357, 379, 403, 418, 435, 455, 478, 503, 516, 529, 546, 565, 585, 608, 619, 633, 651, 671, 692, 715, 729, 746, 765, 785, 808, 820, 833, 852, 873, 895, 920, 933, 952, 973, 995, 1020]