Lpf(n): least prime dividing n (with a(1)=1).
1, 2, 3, 2, 5, 2, 7, 2, 3, 2, 11, 2, 13, 2, 3, 2, 17, 2, 19, 2, 3, 2, 23, 2, 5, 2, 3, 2, 29, 2, 31
10 seqfan posts
Tue Apr 3 20:35:43 CEST 2012 [seqfan] Re: Q: A118663 prime(n) smallest prime factor of composite
Tue Jan 25 10:23:09 CET 2011 [seqfan] Re: OEISWiki : decomposition into weight * level + jump
Tue Aug 17 07:41:46 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 19:22:36 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 19:03:49 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 17:43:10 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 08:48:46 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 08:24:32 CEST 2010 [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair
Mon Aug 16 08:14:17 CEST 2010 [seqfan] Is this right? smallest prime factor of smaller of amicable pair
Sun Dec 28 18:50:04 CET 2008 [seqfan] An interesting coincidence
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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