login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A034036
Numbers of the form (x^2+xy+2y^2 with x>=0, y>=0).
1
0, 1, 2, 4, 8, 9, 11, 14, 16, 18, 22, 23, 25, 28, 32, 36, 37, 43, 44, 46, 49, 50, 53, 56, 58, 64, 71, 72, 74, 77, 79, 81, 86, 88, 92, 98, 99, 100, 106, 107, 109, 112, 116, 121, 126, 127, 128, 134, 137, 142, 144, 148, 149, 151, 154, 158, 161, 162, 163, 169
OFFSET
1,3
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Definition corrected by N. J. A. Sloane, Apr 30 2015
STATUS
approved