39455

Appears in sequences

• Number of binary words of length n with autocorrelation function 2^(n-1)+1.at n=17A045691
• Numbers k such that k^k == -1 (mod phi(k)).at n=8A177012
• Triangle read by rows: T(n,k) is the number of 2-compositions of n having k columns with an even sum (0<=k<=floor(n/2)).at n=31A181327
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood.at n=46A287854
• a(n) = A159065(n+1) - A334701(n).at n=35A335677