89848
domain: N
Appears in sequences
- a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 3, where m = 2*n - 3 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1) with a(1) = a(2) = 1.at n=16A049940
- Number of magic labelings of the cycle-of-loops graph LOOP X C_6 having magic sum n, where LOOP is the 1-vertex, 1-loop-edge graph.at n=9A244879
- Numbers n such that the digital sum of n is the same as the digital sum of n^2 in both base 2 and base 10.at n=32A261640
- Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=8A317426