%I A049063
%S A049063 1,1,1,1,2,3,2,1,2,4,7,8,4,1,2,4,8,15,22,20,8,1,2,4,8,16,31,52,64,48,
%T A049063 16,1,2,4,8,16,32,63,114,168,176,112,32,1,2,4,8,16,32,64,127,240,396,
%U A049063 512,464,256,64,1,2,4,8,16,32,64,128,255,494,876,1304,1488,1184,576
%N A049063 Triangle a(n,k) (0<=k<=n) of profile numbers.
%D A049063 Rosenberg, A. L.; Profile numbers. Fibonacci Quart. 17 (1979), no. 3,
259-264.
%F A049063 a(n+1, k+1)=a(n, k)+2*a(n, k-1), k>0; a(n, 0)=1, a(1, 1)=1, a(n, 1)=2,
a(n, n)=2^(n-1).
%e A049063 1; 1,1; 1,2,3,2; 1,2,4,7,8,4; 1,2,4,8,15,22,20,8; ...
%Y A049063 Sequence in context: A105969 A163530 A114409 this_sequence A120894 A134819
A135267
%Y A049063 Adjacent sequences: A049060 A049061 A049062 this_sequence A049064 A049065
A049066
%K A049063 nonn,easy,nice,tabf
%O A049063 0,5
%A A049063 N. J. A. Sloane (njas(AT)research.att.com).
%E A049063 More terms from James A. Sellers (sellersj(AT)math.psu.edu)
|