9942309

Appears in sequences

• a(0)=1, a(n)=2^n+n^2-2*a(n-1).at n=26A082384
• An oscillating sequence: a(n) = n^2 + 2^(n-1) - 2*a(n-1), n>0, with a(1) = 1.at n=26A238315
• The bisection of A238315 that remains constant with changes in the offset of the exponent of the second term.at n=13A239367