0,3

Table of n, a(n) for n=0..14.

a(n) = A061912(n)^2.

a(5) = 4489 = 67^2 as it is the smallest square whose digit sum = 25 = 5^2.

Cf. A061912, A067074.

Sequence in context: A306739 A318616 A029738 * A080438 A029999 A006280

Adjacent sequences: A067069 A067070 A067071 * A067073 A067074 A067075

nonn,base

Amarnath Murthy, Jan 05 2002

More terms from Jason Earls, Jan 09 2002

a(11)-a(14) from Donovan Johnson, Jul 10 2012

a(0)=0 prepended by Seiichi Manyama, Aug 12 2017

approved