30561
domain: N
Appears in sequences
- a(n) = Sum_{k=floor((n+2)/2)..n} T(n, k), T given by A026998.at n=13A027009
- a(n) = Sum_{k=1..n+1} A027960(n+1, n+1+k).at n=12A027974
- Duplicate of A027974.at n=12A027983
- Integers n > 10563 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10563.at n=28A063064
- Index values for new maxima in A065925.at n=20A065926
- The sum of a triangular array made from a negative 6-fold permutation product.at n=17A105156
- a(n) = prime(n) * Sum_{i=1..n} prime(i).at n=17A143215
- Row sums of triangle A178239.at n=36A178240