47432
domain: N
Appears in sequences
- a(n) = 5a(n-1) - 5a(n-2) + a(n-3) with a(0) = 4, a(1) = 17, a(2) = 65.at n=7A102207
- a(n) = 2025*n^2 - 649*n + 52.at n=4A156853
- Numbers of the form p^3*q^2*r^2 where p, q, and r are distinct primes.at n=21A179695
- Number of length n+4 0..7 arrays with no pair in any consecutive five terms totalling exactly 7.at n=1A246736
- T(n,k)=Number of length n+4 0..k arrays with no pair in any consecutive five terms totalling exactly k.at n=29A246737
- Number of length 2+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.at n=6A246739
- Number of n X 2 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=9A282879
- a(n) = n*(n + 1)*(n^2 + n + 22)/24.at n=32A318054
- Primitive coreful abundant numbers: coreful abundant numbers having no coreful abundant aliquot divisor.at n=21A339940