361296

Appears in sequences

• a(n) is the decimal concatenation of n and n^2.at n=35A053061
• Sum_{k|n} a(k)/k! = Sum_{j=1 to n} 1/j, sum on left is over positive divisors k of n.at n=8A067857
• n! * Sum[k=floor(n/2)..n, 1/k].at n=7A101612
• Triangle read by rows: T(n,k) = numerators of "across the board" style tournament payouts.at n=39A388733