a(n) = a(n-1)+10*a(n-3) for n > 2; a(0) = a(1) = a(2) = 1.
1, 1, 1, 11, 21, 31, 141, 351, 661, 2071, 5581, 12191, 32901, 88711, 210621, 539631
2 seqfan posts
Tue Jul 26 02:52:43 CEST 2011 [seqfan] Re: A193376 Tabl = 20 existing sequences
Mon Jul 25 13:33:50 CEST 2011 [seqfan] Re: A193376 Tabl = 20 existing sequences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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