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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.

A077297 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 4, all different and > 4. (0 never taken as the most significant digit.)

Table of values

n a(n)
1 12
2 3456
3 789101112
4 13141516
5 17181920
6 212
7 2232
8 4252
9 6272
10 8
11 29303132
12 33343536
13 37383940
14 41424
15 344
16 45464
17 748
18 49505152
19 53545556
20 57585960
21 616
22 2636
23 4656
24 6676
25 869707172
26 73747576
27 77787980
28 81828
29 384
30 85868
31 788

List of values

[12, 3456, 789101112, 13141516, 17181920, 212, 2232, 4252, 6272, 8, 29303132, 33343536, 37383940, 41424, 344, 45464, 748, 49505152, 53545556, 57585960, 616, 2636, 4656, 6676, 869707172, 73747576, 77787980, 81828, 384, 85868, 788]

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

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