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.

A334639 Lexicographically earliest infinite sequence of distinct positive integers such that the result of the division of a(n+1) by a(n) starts with the decimal number [a.b] with a = the rightmost digit of a(n), b = the leftmost digit of a(n+1) and the decimal point = the comma between a(n) and a(n+1).

Table of values

n a(n)
1 2
2 5
3 26
4 159
5 1447
6 10274
7 45206
8 280278
9 2298281
10 2757938
11 22615092
12 56537732
13 118729239
14 1080436075
15 5942398413
16 18421435081
17 22105722098
18 179056348994
19 859470475172
20 1804887997862
21 4331731194869
22 40718273231769
23 378679941055453
24 1173907817271905
25 6573883776722668
26 55878012102142678
27 469375301657998496
28 2910126870279590676
29 17751773908705503124
30 85208514761786414996

List of values

[2, 5, 26, 159, 1447, 10274, 45206, 280278, 2298281, 2757938, 22615092, 56537732, 118729239, 1080436075, 5942398413, 18421435081, 22105722098, 179056348994, 859470475172, 1804887997862, 4331731194869, 40718273231769, 378679941055453, 1173907817271905, 6573883776722668, 55878012102142678, 469375301657998496, 2910126870279590676, 17751773908705503124, 85208514761786414996]

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

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