A338286 a(n) = A338268(k^2 + 2*n, k) for sufficiently large k.

2, 2, 2, 4, 6, 8, 14, 20, 28, 44, 68, 98, 148, 224, 332, 500, 754, 1122, 1682, 2530, 3786, 5674, 8514, 12752, 19112, 28668, 42962, 64386, 96538, 144702, 216888, 325150, 487386, 730548, 1095140, 1641616, 2460710, 3688646, 5529280, 8288266, 12424144, 18623788

Offset

0,1

Comments

Here, "sufficiently large k" means k >= 1 + sqrt((1 + sqrt(1 + 8 * n))/2).

Links

Peter Kagey, Table of n, a(n) for n = 0..250

Crossrefs

Cf. A338268.

Sequence in context: A291299 A241576 A306749 * A272371 A191651 A010558

Adjacent sequences: A338283 A338284 A338285 * A338287 A338288 A338289

Keyword

nonn

Author

Peter Kagey, Oct 20 2020

Status

approved