login
A344601
a(n) = n^2 - A344533(n).
0
0, 0, 2, 2, 8, 6, 16, 12, 30, 18, 40, 36, 64, 40, 82, 58, 106, 72, 130, 92, 174, 104, 190, 140, 242, 150, 268, 186, 316, 220, 366, 242, 426, 260, 458, 322, 530, 326, 568, 392, 640, 434, 706, 470, 798, 496, 826, 566, 928, 602, 996, 670, 1080, 718, 1166, 792
OFFSET
1,3
COMMENTS
All terms are even.
This is the number of hidden trees (cf. A344533).
CROSSREFS
Cf. A344533.
Sequence in context: A119999 A061828 A086535 * A067436 A285114 A071418
KEYWORD
nonn
AUTHOR
Paul Curtz, May 24 2021
STATUS
approved