86537domain: NAppears in sequencesa(n) = T(0,n) + T(1,n-1) + ... + T(n,0), array T given by A048471.at n=10A03655010000 times the n-th zero of the BesselJ function of zero order, rounded.at n=2A084691Number of primes <= R_n where R_n is 11...111 with n 1's.at n=6A234317