A145869 a(n) is the least even positive integer which is not expressible as a sum A145819(s)+A145819(t), if both of s,t differ from n.
2, 2, 4, 8, 30, 16, 28, 24, 114, 40, 58, 48, 100, 72, 92, 88
Offset: 1
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.