241281

Appears in sequences

• Molien series for real extraspecial group 2^{1+2*3} of degree 8 and order 128 formed from tensor products of Pauli matrices (0,1, 1,0) and (1,0, 0,-1).at n=16A014095
• Molien series for complex 8-dimensional group N_3 of order 2^(2.3+2), a central extension of an extraspecial 2-group.at n=8A027629
• a(1) = 2; a(n) = half of the a(n-1)-th even nontotient number.at n=15A072416