36865

Appears in sequences

• a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A001950 (upper Wythoff sequence).at n=38A024689
• Sums of 3 distinct powers of 8.at n=16A038485
• Numbers k such that phi(k)+sigma(k) is a perfect cube.at n=25A061366
• Odd numbers k such that the number of 1's in binary representation of k equals omega(k), the number of distinct primes in the factorization of k.at n=37A071595
• a(n) = 2*a(n-1) - 1 with a(0) = 10.at n=12A083705
• Pierpont 3-almost primes. 3-almost primes of form (2^K)*(3^L)+1.at n=13A112797
• 1 + (n+6)*2^(n-1).at n=12A115618
• a(n) = 36*n^2 + 1.at n=32A158591
• a(n) = 64*n^2 + 1.at n=24A158686
• a(n) = 9*4^n+1.at n=6A199208
• a(n) = 9*8^n+1.at n=4A199556
• Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order.at n=2A204859
• Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order.at n=2A204862
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order.at n=12A204867
• Number of partitions of n with difference -9 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=44A242683
• Numbers n such that n^2 XOR n^3 is a square, where XOR is the bitwise XOR operator.at n=22A261808
• Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1 and gcd(j,k) = 1.at n=23A300166
• a(n) is that generation of the rule-30 1D cellular automaton started from a single ON cell in which n successive OFF cells appears for the first time after a(n-1).at n=33A319606
• Inverse permutation to A305325.at n=40A336816
• Numbers that are the sum of six fifth powers in two or more ways.at n=7A345507