136125

Appears in sequences

• Let df(n,k) = Product_{i=0..k-1} (n-i) be the descending factorial and let P(m,n) = df(n-1,m-1)^2*(2*n-m)/((m-1)!*m!). Sequence gives P(4,n).at n=11A132458
• Partial sums of A048890.at n=32A172973
• a(n) = a(n-1) + a(n-2) + a([n/2]), where a(0) = 1, a(1) = 2, a(2) = 3.at n=22A298339
• Numbers such that the list of exponents of their factorization is a palindromic list of primes.at n=20A322525