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.

A354078 Squares k that are not divisible by 10, and whose reverse and digit sum are also squares, such that the digit sum divides both k and its reverse.

Table of values

n a(n)
1 1
2 4
3 9
4 144
5 441
6 10404
7 12321
8 40401
9 69696
10 1004004
11 1022121
12 1212201
13 4004001
14 4088484
15 4848804
16 100040004
17 100220121
18 102030201
19 121022001
20 400040001
21 400880484
22 404492544
23 420578064
24 445294404
25 460875024
26 484088004
27 617323716
28 10000400004
29 10002200121

List of values

[1, 4, 9, 144, 441, 10404, 12321, 40401, 69696, 1004004, 1022121, 1212201, 4004001, 4088484, 4848804, 100040004, 100220121, 102030201, 121022001, 400040001, 400880484, 404492544, 420578064, 445294404, 460875024, 484088004, 617323716, 10000400004, 10002200121]

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

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