143281

Properties

Appears in sequences

• Invariant number of polygons of n-circum-C_5 H_5 systems.at n=11A122678
• Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is d_n.at n=21A192750
• Primes that are arithmetical average of 100 consecutive primes.at n=29A217985
• Prime numbersat n=13284