80781

Appears in sequences

• Numbers that are the sum of 9 positive 9th powers.at n=38A003398
• Number of polynomials of height n: a(1)=1, a(2)=1, a(3)=4, a(n) = 2*a(n-1) + a(n-2) + 2 for n >= 4.at n=13A005409
• Trajectory of 3 under map n->43n+1 if n odd, n->n/2 if n even.at n=11A037119
• Expansion of g.f. (1+8*x-x^2)/((1+x)*(1-6*x+x^2)).at n=6A105058
• Row sums of triangle in A152719.at n=24A238375
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=16A296247
• Number of maximal primitive subsets of {1..n}.at n=54A326077