20035

Appears in sequences

• Integers k that divide LS(k), where LS is the "Look and Say" function (A045918).at n=25A079342
• If p(k) is the k-th prime, then the n-th set of 3 consecutive cousin prime pairs starts at p(a(n)).at n=30A095970
• Number of partitions of n into parts but with two kinds of parts of sizes 1,2,3,4,5 and 6.at n=20A103925
• Integers k such that k divides LS(k) or LS(k) divides k, where LS is the "Look and Say" function (A045918).at n=27A110744
• Number of integer partitions of n that are all 1's or whose run-lengths cover an initial interval of positive integers.at n=44A332576
• Numbers that are the sum of seven fourth powers in six or more ways.at n=21A345572
• Numbers that are the sum of seven fourth powers in exactly six ways.at n=17A345828
• a(n) = [x^n] (1 + x + x^2 + x^3)^(4*n)/(1 + x + x^2)^(3*n).at n=8A351859