60792
domain: N
Appears in sequences
- Dot product of the squares and the quarter-squares: a(n) = sum(i=1..n, i^2 * floor(i^2/4)).at n=15A060453
- T(n,k) = right- or upward-moving paths connecting opposite corners of an n X n chessboard, visiting the diagonal at k points between start and finish.at n=30A075435
- Number of nondecreasing sequences of n 1..7 integers with every element dividing the sequence sum.at n=40A212535
- a(1) = greatest k such that H(k) - H(6) < H(6) - H(3); a(2) = greatest k such that H(k) - H(a(1)) < H(a(1)) - H(6), and for n > 2, a(n) = greatest k such that H(k) - H(a(n-1)) > H(a(n-1)) - H(a(n-2)), where H = harmonic number.at n=9A227816
- Number of length 1+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=14A249291