113113

Appears in sequences

• Expansion of 1/((1-3*x)*(1-4*x)*(1-9*x)*(1-12*x)).at n=4A028049
• Double primes: concatenation of the n-th prime with itself.at n=29A176597
• Composite numbers whose multiplicative digital root is 9.at n=33A201024
• List of imprimitive words over the alphabet {1,3}.at n=11A213973
• Non-primitive words on {1,2,3}.at n=20A239018
• Numbers that are a proper substring of the concatenation (with repetition) in increasing order of their prime factors.at n=2A378893