57882

Appears in sequences

• Expansion of 1/((1+x)*(1-x)^7).at n=17A001769
• Number of n X 2 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, rows lexicographically nondecreasing, and columns lexicographically nonincreasing.at n=31A229422
• Numbers k such that prime(k+1)^prime(k+3) == prime(k) mod prime(k+2).at n=31A335571
• Number of equational laws for magmas involving n operations, up to relabeling and symmetry.at n=5A376620
• Number of equational laws for magmas involving n operations, up to relabeling and symmetry, after removing nontrivial reflexive laws.at n=5A376640