# Computed 2018-07-21 in GP/PARI CALCULATOR Version 2.9.4 (released) amd64 running linux (x86-64/GMP-6.1.2 kernel) 64-bit version, compiled: Dec 19 2017, gcc version 7.3.0 (Ubuntu 7.3.0-1ubuntu1), threading engine: pthread # with the following program: # # up_to = 65537; # prepare_A124372(up_to) = { my(v = vector(up_to), c); v[1] = 0; v[2] = 1; for(n=3, up_to, c=1; for(k=2,n-1,c += (0