27262

Appears in sequences

• a(n) = Sum_{i=0..2} binomial(Fibonacci(n),i).at n=13A032441
• Antidiagonal sums of table A083087.at n=10A083091
• a(n) = Sum_{k=1..n} A001263(n,k) * A027656(k).at n=9A136520
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (-1, 1, 0), (1, 0, 0), (1, 0, 1)}.at n=8A150666
• Vinogradov's constants arising in enumeration of solutions to Waring's problem in the evil numbers (A001969).at n=36A206375
• a(n) is the smallest k such that phi(k) = reverse(k-n), or 0 if no such k exists.at n=30A241473
• G.f. satisfies A(x) = Sum_{n>=0} x^n * abs(1/A(x)^n), where abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x).at n=16A383377