83424

Appears in sequences

• a(n) = maximal cycle size in range [2^(n-1),(2^n)-1] of permutation A209861/A209862.at n=19A209865
• Solution of the complementary equation a(n) = 2*a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=27A295067
• Number of binary matrices with 3 distinct columns and any number of nonzero rows with n ones in every column and rows in nonincreasing lexicographic order.at n=31A331390