83879

Appears in sequences

• a(n) = sum along n-th diagonal of A094102 (sloping downward to left).at n=44A094103
• Numerator of Sum/Product of first n Lucas numbers A000032[n].at n=22A121709
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0111.at n=18A164412
• Starting with 1,2,3,4,5,6: a(n) is the next smallest number greater than a(n-1) such that a[i] + a[j] + a[k] != a[x] + a[y] + a[z] for 1 <= i,j,k,x,y,z <= n all distinct.at n=35A317778