24417
domain: N
Appears in sequences
- Numbers k such that sopf(k) - pi(k) = tau(k).at n=10A064445
- a(1) = a(2) = a(3) = 1; for n>3: a(n) = a(n-1)^3 + a(n-2)^3 + a(n-3)^3.at n=5A112981
- Numbers n with property that average digit of n^2 is s=7.at n=30A164773
- Successive maximal values of A174435.at n=25A174437
- a(n) = n^2 + 731*n + 1.at n=32A180919
- Number of partitions of n in which any two parts differ by at most 10.at n=41A218512
- Number of self-inverse permutations p on [n] with displacement of elements restricted by 3: |p(i)-i| <= 3.at n=14A239075
- a(n) = floor(phi^7*a(n-1)) for n>0, a(0) = 1, where phi is the golden ratio (A001622).at n=3A278475
- Number of 2 X n 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=12A281057
- Sum of the smallest parts of the partitions of n into 10 parts.at n=51A326589
- a(n) = Sum_{k=1..n} gcd(k, n)^3.at n=28A343497
- a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/k)^3.at n=29A344721
- G.f. satisfies A(x) = 1 + x*A(x) / (1 - x^5*A(x)^4).at n=17A365736
- Numbers k such that sigma(k) = psi(k) + pi(k) + omega(k)^2.at n=8A390235