68952
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 2*a(n-3) + a(n-4), with a(0)=1, a(1)=2, a(3)=4, a(4)=10.at n=13A089928
- Eighth column (m=7) of (1,4)-Pascal triangle A095666.at n=11A095670
- 2*A084158 (twice Pell triangles).at n=7A114620
- a(n) = CatalanNumber(n+1)*n*(3*n^2+5*n+2)/((4+n)*(3+n)).at n=8A265613
- 12-dimensional square numbers.at n=7A266561
- Max coefficient in n-th Lucas polynomial.at n=26A277282
- Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k.at n=24A280935
- Number of compositions (ordered partitions) of n into primes of form x^2 + y^2 (A002313).at n=53A282971
- Number of compositions (ordered partitions) of 2*n-1 into primes of form x^2 + y^2.at n=26A287148