18318

Appears in sequences

• Numbers n such that 117*2^n-1 is prime.at n=38A050584
• Difference between the arithmetic mean of the neighbors of the terms and the term itself follows the pattern 0,1,2,3,4,5,...at n=39A086514
• a(n) = 6+32*n^2+8*n*(7+8*n^2)/3.at n=9A167498
• Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor.at n=10A206337
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=28A240756
• Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 4 6 or 7.at n=10A252426
• Number of length n+2 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=13A255109
• Coefficient of x^2 in the minimal polynomial of the continued fraction [1^n,2^(1/3),1,1,...], where 1^n means n ones.at n=3A267080
• Number of sets of exactly n positive integers <= n+8 having a square element sum.at n=15A281971
• Least integer k such that k/2^n > sqrt(5).at n=13A293332
• The integer k that minimizes |k/2^n - sqrt(5)|.at n=13A293333
• Numbers k such that k divides sum of k-th twin prime pair.at n=31A335303
• Records in A336830.at n=14A362398