219601

Appears in sequences

• a(n+1) - 3*a(n) + a(n-1) = (2/3)*(1+w^(n+1)+w^(2*n+2)); a(1) = 0, a(2) = 1; where w is the cubic root of unity.at n=13A072130
• a(n) = sum along n-th diagonal of A094102 (sloping downward to left).at n=48A094103
• a(n+3) = 3*a(n+2) + 5*a(n+1) + a(n), a(0) = 1, a(1) = 10, a(2) = 37.at n=8A110528
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0111.at n=20A164412
• Positions of the records of the negative integers in A179319; a(n) is the first position in A179319 equal to -n.at n=8A183556
• Positions of records in A179319 for both positive and negative integers; A183555 and A183556 merged together.at n=17A183557
• The edge independence number of the Lucas cube Lambda(n).at n=27A245968
• Number of circular binary sequences of length n with an odd number of 0's and no consecutive 1's.at n=26A366043