A218390 Triangular numbers composed of digits {0,2,4}.
40002040, 2442040424202042204020040, 24202244424402424242222220, 200020020000400442044244444400204400200
Offset: 1
Links
- Giovanni Resta, Tridigital Triangular Numbers.
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.
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