105948

Appears in sequences

• Number of ternary rooted trees with n nodes and height exactly 10.at n=18A036425
• Sum of generalized tribonacci numbers A001644 and inverted tribonacci numbers A075298.at n=19A075418
• a(n) = 3*a(n-1) + 3*a(n-2), a(0)=0, a(1)=3.at n=9A106435
• Least number k such that sigma_n(k) > sigma_n(k+1), where sigma_n(k) = sum of the n-th powers of the divisors of k.at n=13A158661
• Triangle read by rows: T(n,k), n>=2, 1 <= k <= n-1, is the number of permutations in S_n in which there are k different values for the values mod n of the differences between adjacent elements when written in row notation.at n=33A294789
• G.f.: g(x) * g(x^2), where g(x) is the g.f. of A000081.at n=17A339984