83886079

Appears in sequences

• a(n) = 5*2^(n-1) - 1, n>0, with a(0)=1.at n=25A052549
• a(n) = T(n,1), array T as in A054134.at n=25A054135
• Permutation of N induced by rotating the node 1 (the top node) left in the infinite planar binary tree shown at A065658.at n=49A065661
• a(n) = 5*2^n - 1.at n=24A153894
• a(n) = 5*4^n - 1.at n=12A156760
• Partial sums of Berstel sequence (A007420).at n=36A178885
• a(n) = 5*8^n - 1.at n=8A198853
• a(n) is the least integer m > 1 such that n is the largest number of identical digits that can end m^k for positive integer k.at n=23A244364
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=27A286858
• a(n) = 5*2^n - (-1)^n.at n=24A321643