61915

Appears in sequences

• Expansion of (1-x^5) / (1-x)^5.at n=42A008487
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n-4)/2.at n=18A048061
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n+2)/3.at n=18A048072
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the elements are <= (n+3)/3.at n=18A048083
• Numbers k such that sigma(k) = phi(k+1) + phi(k) + phi(k-1).at n=22A065986
• Larger members of primitive phi-amicable pairs.at n=19A121249
• a(n) = A007318 * [1, 6, 14, 9, 0, 0, 0, ...].at n=34A143690
• Number of Dyck n-paths all of whose ascents have lengths equal to 1 (mod 5).at n=17A212385
• Number of horizontal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order.at n=2A216337
• T(n,k) = Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X k array with new integer colors introduced in row major order.at n=38A216338
• Number of horizontal and antidiagonal neighbor colorings of the even squares of a 3Xn array with new integer colors introduced in row major order.at n=6A216339
• Number of partitions of n^2 into distinct squares > 1.at n=51A298642