1,1
T. D. Noe, Table of n, a(n) for n=1..300
5 = 1^2 + 2^2.
Cf. A000045.
Sequence in context: A050950 A079991 A091270 * A178444 A122025 A057873
Adjacent sequences: A045700 A045701 A045702 * A045704 A045705 A045706
nonn
Felice Russo (frusso(AT)micron.com)