A130831 - OEIS

%I #16 May 12 2023 09:07:41

%S 1,2,1,2,2,4,1,2,2,4,2,4,4,8,2,4,4,8,4,8,8,16,1,2,2,4,2,4,4,8,2,4,4,8,

%T 4,8,8,16,2,4,4,8,4,8,8,16,4,8,8,16,8,16,16,32,2,4,4,8,4,8,8,16,4,8,8,

%U 16,8,16,16,32,4,8,8,16,8,16,16,32,8,16,16,32,16,32,32,64,2,4,4,8,4,8,8,16

%N Irregular triangle read by rows: row(n) contains the first A001146(n) terms of A001316.

%C The n-th row of the triangle consists of the first A001146(n) terms of A001316. - _Benjamin Heiland_, Dec 12 2011

%e Triangle begins:

%e {1, 2},

%e {1, 2, 2, 4},

%e {1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16}

%e ...

%Y Cf. A001146, A060803, A130830.

%K nonn,less,tabf

%O 1,2

%A _Roger L. Bagula_, Aug 20 2007

%E Edited by _N. J. A. Sloane_, Jun 07 2008

%E New name using _Benjamin Heiland_'s comment, _Joerg Arndt_, May 11 2023