Smallest number that takes n steps to reach a cycle under iteration of sum-of-squares-of-digits map.
1, 10, 13, 23, 19, 7, 356, 4, 2, 11, 15, 5, 3, 14, 45, 36, 6, 112, 269, 1599
4 seqfan posts
Sat May 1 23:32:09 CEST 2010 [seqfan] Re: A001273 Extension
Sat May 1 23:27:25 CEST 2010 [seqfan] A001273 Extension
Tue Apr 27 17:41:13 CEST 2010 [seqfan] Re: A175388(?)
Tue Apr 27 01:52:44 CEST 2010 [seqfan] Re: A175388(?)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.