300672

Appears in sequences

• Number of nX1 0..2 arrays with exactly floor(nX1/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.at n=14A222884
• Coefficients in q-expansion of (E_4 + E_2^2)/2, where E_2 and E_4 are the Eisenstein series shown in A006352 and A004009, respectively.at n=11A282017