249900

Appears in sequences

• Stirling numbers of the second kind S(n+3, n).at n=14A001297
• a(n) = n^2*(n^2 - 1)/6.at n=35A008911
• a(n) = binomial coefficient C(n,47).at n=4A011000
• Stirling numbers of second kind S2(17,n).at n=13A011566
• Binomial coefficients C(51,n).at n=4A017767
• Binomial coefficients binomial(2*n-3,4).at n=23A053126
• a(n) = lcm(6n+2, 6n+4, 6n+6).at n=16A061506
• Numbers k such that prime(k) +/- k and prime(k) +/- 2k are all primes.at n=28A112530
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-3.at n=31A180293
• Triangle T(n,m) read by rows: the number of series-parallel networks with n+2 vertices and m+n+1 edges.at n=23A181320
• Number of 2-step self-avoiding walks on an n X n X n cube summed over all starting positions.at n=34A187163
• Numbers with prime factorization pqr^2s^2t^2.at n=24A190379
• Degrees of irreducible representations of simple Chevalley group F4(2).at n=23A214481
• Integer areas of the first Neuberg triangles of integer-sided triangles.at n=29A230758
• Triangle read by rows, the coefficients of the polynomials generating the columns of A287316.at n=33A287314
• Exponential weird numbers: numbers that are exponential abundant (A129575) but not exponential pseudoperfect (A318100).at n=15A321146
• G.f.: Sum_{n>=0} (n+1)*(n+2)*(n+3)*(n+4)/4! * x^n * (1 + x^n)^n.at n=47A326005
• Coreful weird numbers: numbers k that are coreful abundant (A308053) but no subset of their aliquot coreful divisors sums to k.at n=15A339939