38850

Appears in sequences

• Number of labeled rooted trees of height 3 with n nodes.at n=3A000552
• First differences of A005579.at n=24A005347
• Multiplicity of highest weight (or singular) vectors associated with character chi_37 of Monster module.at n=40A034425
• Triangle read by rows giving number of rooted labeled trees with n >= 2 nodes and height d >= 1.at n=17A034855
• a(n) = n!*(4*n^3 - 30*n^2 + 40*n + 3)/24.at n=3A034863
• a(5) = 5, a(6) = 1170, for n >= 7, a(n) = n!*(4*n^3 - 30*n^2 + 40*n + 3)/24.at n=2A034864
• Triangle formed by multiplying Stirling numbers of 2nd kind S2(n,m) (A008277) by m+1.at n=39A069138
• First occurrence (*2) of n in A088627 - or - least number that yields n different primes if you factorize it in all possible ways in two factors and add these factors.at n=16A091350
• Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(n,3).at n=35A126935
• Row sums of triangle A134480.at n=35A134481
• Triangle T(n,k) represents the coefficients of (x^15*d/dx)^n, where n=1,2,3,...; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=25A223517
• The Wiener index of the zig-zag polyhex nanotube TUHC_6[2n,2] defined pictorially in Fig. 1 of the Eliasi et al. reference.at n=19A227703
• Binomial transform of the number of partitions into distinct parts (A000009).at n=13A266232
• Unitary practical numbers that are nonsquarefree.at n=29A287173
• Numbers k such that the sum of the proper divisors of k that have the same binary weight as k is larger than k, and no subset of these divisors sums to k.at n=21A381071