1,2

Joe Roberts, Lure of the Integers, page 245 (entry for 645).

1^2+2^2+3^2+4^2+5^2 = 1+2+3+...+10, so 10 is in the sequence.

Cf. A039596, A053611.

Sequence in context: A069960 A108761 A075828 this_sequence A072146 A074674 A102361

Adjacent sequences: A053609 A053610 A053611 this_sequence A053613 A053614 A053615

fini,full,nonn

Jud McCranie (j.mccranie(AT)comcast.net), Mar 19 2000