45155

Appears in sequences

• Numbers n such that sigma(n-1) + sigma(n+1) = sigma(2n).at n=7A067730
• Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 5 ones in any 5 X 5 X 5 subtriangle.at n=15A153946
• Number of natural numbers between exponents of successive Mersenne primes.at n=35A157891
• Numbers k such that 3k-4, 3k-2, 3k+2, and 3k+4 are primes.at n=43A173092
• Numbers that are the sum of six fourth powers in six or more ways.at n=8A345563
• Numbers that are the sum of six fourth powers in exactly six ways.at n=6A345818