87061
domain: N
Appears in sequences
- Strong pseudoprimes to base 6.at n=24A020232
- Strong pseudoprimes to base 8.at n=38A020234
- Strong pseudoprimes to base 31.at n=18A020257
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 23.at n=22A031611