The fourth central column of triangle A122242, i.e. A179761(4), A179761(11), A179761(20), A179761(31), ...
0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0
2 seqfan posts
Sun May 29 19:25:46 CEST 2011 [seqfan] Re: Long chains