[seqfan] A158906

[john.mason at lispa.it]

Dear friends
The description of A158906  says it's the product of A158221 and A051731, 
but the definition of A158221 is 169n + 1 and so I don't see how the 
multiplication can work.

A158906:
1;
2, 1;
3, 0, 1;
4, 1, 0, 1;
5, 0, 0, 0, 1;
6, 1, 1, 0, 0, 1;
7, 0, 0, 0, 0, 0, 1;
8, 1, 0, 1, 0, 0, 0, 1;
9, 0, 1, 0, 0, 0, 0, 0, 1;

A051731:
1:  1
2:  1  1
3:  1  0  1
4:  1  1  0  1
5:  1  0  0  0  1
6:  1  1  1  0  0  1
7:  1  0  0  0  0  0  1
8:  1  1  0  1  0  0  0  1
9:  1  0  1  0  0  0  0  0  1
10: 1  1  0  0  1  0  0  0  0  1

A158221 :

170, 339, 508, 677, 846, 1015, 1184, 1353, 1522, 1691, 1860, 2029, 2198, 
2367, 2536, 2705, 2874, 3043, 3212, 3381, 3550, 3719, 3888, 4057, 4226, 
4395, 4564, 4733, 4902, 5071, 5240, 5409, 5578, 5747, 5916, 6085, 6254, 
6423, 6592, 6761, 6930, 7099, 7268


john
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