30*n+1
1, 31, 61, 91, 121, 151, 181, 211, 241, 271, 301, 331, 361, 391, 421, 451, 481, 511
2 seqfan posts
Sun Sep 5 14:49:55 CEST 2010 [seqfan] Re: A128471
Sun Sep 5 14:20:57 CEST 2010 [seqfan] Re: A128471
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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