71058

Appears in sequences

• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly three ways.at n=11A076456
• a(n) = A077710(n+1)/A077710(n).at n=19A077711
• Number of 5 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.at n=24A188556
• Numbers n whose sum of divisors equals the sum of divisors of 2n+1.at n=20A272553
• Numbers n such that usigma(n) = usigma(2*n+1) where usigma(n) = A034448(n).at n=9A286837