48600
domain: N
Appears in sequences
- Card matching: coefficients B[n,2] of t^2 in the reduced hit polynomial A[n,n,n](t).at n=4A000535
- Number of 2n-bead black-white strings with n black beads and fundamental period 2n.at n=9A007727
- Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*10^j.at n=12A038300
- Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*9^j.at n=12A038311
- Numbers k such that Sum_{j} p_j = Sum_{j} e_j where Product_{j} p_j^(e_j) is the prime factorization of k.at n=37A054411
- Numbers k such that, in the prime factorization of k, the product of exponents equals the product of prime factors.at n=15A054412
- Card-matching numbers (Dinner-Diner matching numbers).at n=20A059062
- Card-matching numbers (Dinner-Diner matching numbers).at n=37A059066
- Product of all distinct nonzero numbers that can be formed from the digits of n.at n=44A061497
- Ooguri-Vafa invariants of disk domain wall degeneracies for brane I in the O(K) -> P^1 X P^1 geometry.at n=4A061625
- Numbers n such that n*phi(n-1) is a perfect square.at n=25A069069
- a(n)=n^2 times nearest cube to n^2.at n=15A077112
- n^3 times nearest integer square to n^3.at n=6A077120
- Expansion of 1/(1+x^2-2*x^3).at n=33A077912
- Smallest order for which there are n nonisomorphic finite Hamiltonian groups, or 0 if no such order exists.at n=14A104453
- Numbers whose 3 prime powers are a permutation of each other. Numbers with 3 distinct prime factors whose 3 exponents are a permutation of the 3 bases.at n=2A113620
- Even refactorable numbers n such that the number r of odd divisors and the number s of even divisors are both even divisors of n and n is the first number for which the triple (r,s,t) occurs, where t is the number of divisors of n.at n=31A120356
- Numbers of the form Product_i b_i^e_i, where the b_i are all distinct values > 1 and the e_i are a permutation of the b_i.at n=25A122405
- Numbers of the form Product_i p_i^e_i, where the p_i are distinct primes and the e_i are a permutation of the p_i.at n=12A122406
- Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+449)^2 = y^2.at n=8A130004