40594domain: NAppears in sequences<h[d,d],s[d,d]*s[d,d]*s[d,d]> where h[d,d] is a homogeneous symmetric function, s[d,d] is a Schur function indexed by two parts, * represents the Kronecker product and <, > is the standard scalar product on symmetric functions.at n=43A115375Numbers k such that 2^k + 2*k + 1 is prime.at n=18A301634