1292646

Appears in sequences

• Squarefree part of n!: n! divided by its largest square divisor.at n=28A055204
• Squarefree part of ((2n-1)!)^(2n-3).at n=14A197880
• Positions of records in A246272.at n=16A246349
• n!/pp, where pp is the largest perfect power (A001597) which divides n!.at n=29A251753
• a(n) is the least term in the n-th row of A360298.at n=28A360300
• For any n > 0, let b_n(n+1) = 1, and for k = 1..n, if k divides b_n(k+1) then b_n(k) = b_n(k+1) / k otherwise b_n(k) = b_n(k+1) * k; a(n) = b_n(1).at n=28A374317