a(n) is the greatest k > 0 such that Sum_{j=1..n} j*k^j/(k+n) is an integer, for n > 1.
A335112
a(n) is the greatest k > 0 such that Sum_{j=1..n} j*k^j/(k+n) is an integer, for n > 1.
Terms
- a(0) =4a(1) =63a(2) =856a(3) =13450a(4) =245652a(5) =5134269a(6) =120961648a(7) =3172973796a(8) =91735537180
External references
- oeis: A335112