138369

Appears in sequences

• Expansion of 1/((1-2x)(1-7x)(1-10x)(1-11x)).at n=4A028012
• a(n) is the number of strings of length n over the alphabet {a,b,c} with the number of a's divisible by 3, and the number of b's and c's is at most 3.at n=48A340169