109927

Appears in sequences

• a(n) = direuler(p=2,n,1/(1-X)/(1-p*n*X))[n].at n=17A089745
• Indices of primes in sequence defined by A(0) = 13, A(n) = 10*A(n-1) + 63 for n > 0.at n=19A102033
• a(0) = 1, a(1) = 3; a(n+2) = (a(n+1) + a(n))/2 if 2 divides (a(n+1) + a(n)), a(n+2) = a(n+1) + a(n) otherwise.at n=45A151749