Positive integers which do not appear in a Collatz sequence starting from a smaller positive integer.
1, 2, 3, 6, 7, 9, 12, 15, 18, 19, 21, 24, 25, 27, 30, 33, 36, 37, 39, 42, 43, 45, 48, 51, 54
3 seqfan posts
Fri May 14 14:29:43 CEST 2010 [seqfan] Re: Duplicates? A177729 A177517 A177516
Fri May 14 13:30:09 CEST 2010 [seqfan] Re: Duplicates? A177729 A177517 A177516
Fri May 14 12:40:31 CEST 2010 [seqfan] Duplicates? A177729 A177517 A177516
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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