122916

Appears in sequences

• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in cycle of length=11.at n=20A096888
• a(n) = 1/11*(binomial(n,11) - floor(n/11)).at n=11A215054
• Number of binary n-sequences ending in 1 with exactly one more occurrence of 11 than 10.at n=21A376884