30311

Appears in sequences

• a(n) = (1/1 + 1/(n-1) + ... + 1/C(n-[ n/2 ],[ n/2 ]))*L, where L = LCM{1, n-1, ..., C(n-[ n/2 ],[ n/2 ])}.at n=12A025563
• dot_product(n,n-1,...2,1)*(7,8,...,n,1,2,3,4,5,6).at n=44A026066
• a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+2*a(n-7)+a(n-8).at n=26A109540
• 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), (0, 1, 1), (1, 0, -1)}.at n=11A148290
• Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime.at n=16A175683
• Maximum value of the cyclic convolution of first n primes with themselves.at n=20A299111
• a(n) is the smallest m such that A144261(m) = n.at n=36A358067