[seqfan] Fwd: A summer seq with second differences

[Veikko Pohjola]

> To make sure that my point became clear, also the following sequences (not in OEIS) have the given property
> 
> 1, 3, 6, 12, 24, 37, 52, 69, 90, 114, 145, 181
> 1, 4, 8, 16, 32, 49, 72, 98, 126, 158, 199, 247
> 1, 5, 10, 20, 31, 42, 55, 68, 84, 101, 122, 145
> 1, 6, 12, 24, 37, 52, 69, 90, 114, 145, 181, 219
> 1, 7, 14, 28, 43, 62, 83, 112, 145, 181, 223, 267
> and so on without limit.
> 
> Should they be there, I don't think.
> 
> bstrgds
> Veikko
>