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.

A058417 Numbers k such that k^2 contains only digits {0,1,6}, not ending with zero.

Table of values

n a(n)
1 1
2 4
3 10301
4 10496
5 10801
6 81619
7 1003001
8 1008001
9 100030001
10 100080001
11 326498249
12 10000300001
13 10000800001
14 24698199551
15 40012700004
16 1000003000001
17 1000008000001
18 4000127000004
19 4075127000004
20 8124407769251
21 78103531364504
22 100000030000001
23 100000080000001

List of values

[1, 4, 10301, 10496, 10801, 81619, 1003001, 1008001, 100030001, 100080001, 326498249, 10000300001, 10000800001, 24698199551, 40012700004, 1000003000001, 1000008000001, 4000127000004, 4075127000004, 8124407769251, 78103531364504, 100000030000001, 100000080000001]

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

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