27382

Appears in sequences

• a(0) = 1, a(n) = 20*n^2 + 2 for n>0.at n=37A010010
• Numbers k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k).at n=8A112818
• 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, 1, 0), (-1, 1, 1), (1, 0, -1), (1, 1, 0)}.at n=9A149158
• Partial sums of A299277.at n=30A299278
• Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=13A299447
• Bases b where exactly eight primes p with p < b exist such that p is a base-b Wieferich prime.at n=11A325884