10761680
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 3*a(n-2), with a(0)=0, a(1)=1.at n=16A015518
- Nearest integer to n^6/36.at n=26A061004
- Numbers n such that A081249(m)/m^2 has a local maximum for m = n.at n=14A081251
- a(1)=1, a(n) = 2*(n^(n-1)-1)/(n-1) for n >= 2.at n=8A093461
- Numbers whose base-9 representation is 22222222.......2.at n=8A125857
- a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), starting with 1, 2, 6, 20.at n=15A132353
- a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), with initial values 1,3,7,20.at n=15A132868
- Moore lower bound on the order of a (10,g)-cage.at n=13A198310
- a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3) + 3*a(n-4) - 3*a(n-5), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 11, a(4) = 20, a(5) = 33.at n=28A297443
- Oblong numbers m such that beta(m) = tau(m)/2 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=7A326385