A147523 a(n) = number of n-digit terms in A058369.

3, 8, 37, 195, 1159, 6951, 42421, 261430, 1631123, 10238173, 64536808

Offset: 1

Author

Zak Seidov, Apr 25 2009

Keywords

• base
• nonn

Examples

			a(1)=3: 0,1,9; a(2)=8: 10,18,19,45,46,55,90,99.
		

Crossrefs

A058369 Numbers n such that n and n^2 have same digit sum. A004159 Sum of digits of n^2. A007953 Digital sum (i.e. sum of digits) of n.

Extensions

a(9) from Donovan Johnson, Dec 08 2009

a(10)-a(11) from Donovan Johnson, Jul 31 2011