1198336

Appears in sequences

• Number of 4-ary Lyndon words whose trace and subtrace are both 0 mod 4.at n=13A068596
• Number of 4-ary Lyndon words of length n over Z_4 with trace 2 and subtrace 3.at n=13A074413
• Coefficients in q-expansion of (E_2^2*E_4 - 2*E_2*E_6 + E_4^2)/1728, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=16A282099