47427domain: NAppears in sequencesa(n) = A129095(2^n - 1) for n>=1.at n=6A129097Numbers that are the sum of seven fourth powers in nine or more ways.at n=34A345575Numbers that are the sum of seven fourth powers in exactly nine ways.at n=29A345831a(n) = floor(a(n-1)*3/2) with a(1) = 5.at n=23A381677