142843

Appears in sequences

• Expansion of x/(1 - 7*x - 2*x^2).at n=7A015555
• Numerator of H(n+4) - H(n), where H(n) = Sum_{k=1..n} 1/k.at n=39A189642
• Number of n-length words w over ternary alphabet {1,2,3} such that for every prefix z of w we have 0<=#(z,1)-#(z,2)<=2 and 0<=#(z,2)-#(z,3)<=2 and #(z,x) gives the number of occurrences of letter x in z.at n=19A225879
• Sum over all partitions lambda of n into 4 distinct parts of Product_{i:lambda} prime(i).at n=11A258359