A094946 - OEIS

%I #5 Aug 22 2013 03:03:03

%S 1,1011,10110111,1011011101111,1011011101111011111,

%T 10110111011110111110111111,1011011101111011111011111101111111,

%U 1011011101111011111011111101111111011111111

%N a(n) is 10110(3 1's)0...0(n 1's).

%C Sum of n-th term digits is C(n+2,2).

%F a(n) = A094945((n+1)(n+2)/2+n)

%F a(n) = a(n-1)*10^(n+1) + (10^n-1)/9. _Franklin T. Adams-Watters_, Aug 21 2013

%Y Cf. A023532.

%K easy,nonn,base

%O 0,2

%A _Paul Barry_, May 25 2004

%E Name changed by _Franklin T. Adams-Watters_, Aug 21 2013