a(n) = n * Product_{primes p|n} p.
1, 4, 9, 8, 25, 36, 49, 16, 27, 100, 121, 72, 169, 196, 225, 32, 289, 108, 361, 200, 441
3 seqfan posts
Thu Jun 11 19:48:15 CEST 2009 [seqfan] Re: Range of one-to-one multiplicative functions
Thu Jun 11 19:48:15 CEST 2009 [seqfan] Re: Range of one-to-one multiplicative functions
Wed Jun 10 00:43:52 CEST 2009 [seqfan] Range of one-to-one multiplicative functions
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
.