31995

Appears in sequences

• Smallest number m such that m and the product of digits of m are both divisible by 5n, or 0 if no such number exists.at n=80A073911
• Average of terms in n-th row of A077529.at n=14A077532
• Expansion of (1+x^3)/((1-x)^3*(1-x^2)^3*(1-x^3)).at n=21A107351
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 1), (0, 1), (1, -1), (1, 0), (1, 1)}.at n=7A151321
• Fibonacci sequence beginning 12, 25.at n=16A186620
• Numbers k such that k+1 is a divisor of 3^k + 5^k.at n=6A234536
• Positions of 3's in A264977; positions of 6's in A277330.at n=46A277713
• Smallest positive number not in a random Fibonacci sequence of length n.at n=33A338517
• a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} gcd(x_1, x_2, x_3, n)^3.at n=17A372928
• a(n) = Sum_{k=0..floor(n/3)} binomial(k+2,3*n-9*k+2).at n=51A390037