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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.

A068888 Squares with property that digits alternate in parity individually as well as in concatenation with previous terms.

Table of values

n a(n)
0 1
1 4
2 9
3 25
4 49
5 81
6 256
7 361
8 676
9 729
10 4761
11 6561
12 41616
13 56169
14 69696
15 72361
16 87616
17 96721
18 212521
19 214369
20 290521
21 436921
22 452929
23 458329
24 474721
25 670761
26 690561
27 2143296
28 3470769
29 4145296
30 5230369
31 8503056
32 9078169
33 21058921
34 21836929
35 21874329
36 25230529

List of values

[1, 4, 9, 25, 49, 81, 256, 361, 676, 729, 4761, 6561, 41616, 56169, 69696, 72361, 87616, 96721, 212521, 214369, 290521, 436921, 452929, 458329, 474721, 670761, 690561, 2143296, 3470769, 4145296, 5230369, 8503056, 9078169, 21058921, 21836929, 21874329, 25230529]

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

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