39325
domain: N
Appears in sequences
- Stirling numbers of the second kind S(n+3, n).at n=10A001297
- Stirling numbers of second kind S2(13,n).at n=9A011562
- Stirling numbers of second kind: 10th column of Stirling2 triangle A008277.at n=3A049435
- Numbers n such that A001414(n) = sum of composites from the smallest prime factor of n to the largest prime factor of n.at n=19A074053
- Non-palindromic solutions to sigma(R(n)) = sigma(n), where R = A004086 is digit-reversal.at n=18A085329
- Integers that are Rhonda numbers to base 8.at n=12A100970
- Column 4 of triangle A123610.at n=9A123614
- Numbers n, satisfying A055231(n+1) - A055231(n) = 1, and with n and n+1 not squarefree.at n=4A140394
- Numerators in the asymptotic expansion of Gamma(x+1/2)/Gamma(x).at n=7A143503
- Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=13A212651
- Numbers k such that (6*k+1)*(12*k+1)*(18*k+1) is a Carmichael number which is the product of four prime numbers.at n=25A221743
- T(n,k) = Stirling2(n,k) * OrderedBell(k).at n=38A232598
- a(n) = n*(n + 1)*(5*n - 4)/2.at n=25A237616
- Triangle read by rows, T(n,k) = {n,k}*h(k), where {n,k} are the Stirling set numbers and h(k) = hypergeom([-k+1,-k],[],1), for n>=0 and 0<=k<=n.at n=48A256549
- Numbers k such that core(k+1) = core(k)+1 and k is not squarefree, where core(k) = A007913(k).at n=7A260198
- Centered octahemioctahedral numbers: a(n) = (4*n^3+24*n^2+8*n+3)/3.at n=29A274974
- Expansion of 2*(1 - x)/(3 - theta_3(x)), where theta_3() is the Jacobi theta function.at n=36A303909
- a(n) = Product_{d|n, d>1} prime(1+(d mod 8)).at n=19A320108
- a(n) = Product_{d|n, d>1} prime(1+(d mod 8)).at n=51A320108
- a(n) = Product_{d|n, d>1} prime(1+(d mod 6)).at n=19A320116