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.

A347353 Lexicographically earliest sequence of distinct positive terms such that the rightmost digit of a(n) concatenated with the leftmost digit of a(n+1) form an integer that is the sum of the digits of a(n) and a(n+1).

Table of values

n a(n)
1 1
2 19
3 1899999999
4 29
5 1799999999
6 119
7 1889999999
8 128
9 169999999
10 1299
11 178999999
12 1389
13 179899999
14 1398
15 15999999
16 13999
17 16899999
18 14899
19 16989999
20 14989
21 16998999
22 14998
23 1499999
24 149999
25 1589999
26 158999
27 1598999
28 159899
29 1599899
30 159989
31 1599989
32 159998
33 139999
34 1599999
35 148999

List of values

[1, 19, 1899999999, 29, 1799999999, 119, 1889999999, 128, 169999999, 1299, 178999999, 1389, 179899999, 1398, 15999999, 13999, 16899999, 14899, 16989999, 14989, 16998999, 14998, 1499999, 149999, 1589999, 158999, 1598999, 159899, 1599899, 159989, 1599989, 159998, 139999, 1599999, 148999]

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

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