73664
domain: N
Appears in sequences
- Binomial transform of A004524 starting at 1.at n=14A132402
- Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w^2>x^2+y^2.at n=33A211631
- Least k such that prime(n) is the smallest prime p for which k^2 + p^2 is also prime, or 0 if none.at n=69A263466
- p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S)*(1 - 3*S).at n=7A291009
- Greater of a pair of amicable numbers k < m such that s(k) = m and s(m) = k, where s(k) = A162296(k) - k is the sum of aliquot divisors of k that have a square factor.at n=5A357496