OFFSET
285,92
LINKS
EXAMPLE
a(381) = 2 via 1 + 4 + 9 + 16 + 36 + 49 + 64 + 81 + 121 = 1 + 9 + 16 + 25 + 36 + 49 + 64 + 81 + 100. - David A. Corneth, Feb 02 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Feb 02 2021
STATUS
approved