-10924

Appears in sequences

• a(1) = 4; then alternately add -4 and multiply by -2.at n=27A096406
• Triangular sequence from coefficients of characteristic polynomial of n X n prime element matrices: M=A.B.A^(-1); (A(3) is singular): examples; A(4)= {{2, 3, 5, 7, 11}, {3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}} B(4)= {{3, 5, 7, 11, 13}, {5, 7, 11, 13, 17}, {7, 11, 13, 17, 19}, {11, 13, 17, 19, 23}, {13, 17, 19, 23, 29}}.at n=47A137405
• Expansion of the series 1/e(-q), where the series e(q) is Morier-Genoud and Ovsienko's q-analog of the real number e = exp(1).at n=29A392021