67068

Appears in sequences

• Larger of Smith brothers.at n=31A050220
• a(n) = 3^n + 6^n + 9^n.at n=5A074557
• Number of 8k+5 primes (A007521) in range ]2^n,2^(n+1)].at n=21A095011
• a(n) = b(n) + b(n+1) + 2, where b() = A000930().at n=28A170934
• Second arithmetic derivative of squares of prime powers: a(n)=A068346(A056798(n)).at n=32A192084
• T(n,k) = number of defective 3-colorings of an n X k 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=46A229586
• Number of defective 3-colorings of a 2 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=8A229587
• Composites whose prime factorization in base 5 is an anagram of the number in base 5.at n=31A260049
• a(n) = n^2*(7*n - 5)/2.at n=27A262000
• Fourier coefficients of the modular form (1-6*sqrt(-3)/t_{6a}) * (1/t_{6a}) * (1-12*sqrt(-3)/t_{6a})^(1/3) * F_{6a}^8.at n=16A341564