36042

Appears in sequences

• Number of Fermat pseudoprimes to base 5 less than 10^n.at n=10A114247
• Expansion of (chi(-x) * chi(-x^19))^(-2) in powers of x where chi() is a Ramanujan theta function.at n=34A134004
• Table read by antidiagonals: T(n,k) is the number of idempotent n X n 0..k matrices of rank 1.at n=33A224524
• Number of idempotent 6X6 0..n matrices of rank 1.at n=2A224528