a(n) = a(n-1) + 2*a(n-3).
1, 1, 3, 5, 7, 13, 23, 37, 63, 109, 183, 309, 527, 893, 1511, 2565, 4351, 7373, 12503
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
Links to OEIS content are included according to
The OEIS End-User License Agreement
.