a(n) = 1^2 - 3^4 + 5^6 - 7^8 + 9^10 - 11^12 + 13^14 - ... + (up to n).
A319438
a(n) = 1^2 - 3^4 + 5^6 - 7^8 + 9^10 - 11^12 + 13^14 - ... + (up to n).
Terms
- a(0) =1a(1) =1a(2) =-2a(3) =-80a(4) =-75a(5) =15545a(6) =15538a(7) =-5749256a(8) =-5749247a(9) =3481035145a(10) =3481035134
External references
- oeis: A319438