Number of numbers m <= n such that 5 equals the first digit after decimal point of square root of n in decimal representation.
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2
1 seqfan posts
Sat May 2 16:12:32 CEST 2009 [seqfan] Re: OEIS duplicate hunt