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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.

A299871 The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, and a(1) = 8.

Table of values

n a(n)
1 8
2 80
3 792
4 7927
5 79272
6 792713
7 7927135
8 79271352
9 792713513
10 7927135135
11 79271351350
12 792713513502
13 7927135135013
14 79271351350135
15 792713513501345
16 7927135135013455
17 79271351350134552
18 792713513501345513
19 7927135135013455135
20 79271351350134551344
21 792713513501345513442
22 7927135135013455134424

List of values

[8, 80, 792, 7927, 79272, 792713, 7927135, 79271352, 792713513, 7927135135, 79271351350, 792713513502, 7927135135013, 79271351350135, 792713513501345, 7927135135013455, 79271351350134552, 792713513501345513, 7927135135013455135, 79271351350134551344, 792713513501345513442, 7927135135013455134424]

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

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