-17712

Appears in sequences

• a(n) = -a(n-1) - a(n-3) + a(n-4).at n=22A116697
• Alternating sum of the first n Fibonacci numbers.at n=23A119282
• Matrix inverse of triangle A136501, read by rows.at n=32A136502
• Coefficients in q-expansion of E_2^4*E_4, where E_2 and E_4 are respectively the Eisenstein series A006352 and A004009.at n=2A280024