32175

Appears in sequences

• a(n) = 5*(n+1)*binomial(n+4,5)/2.at n=8A027801
• a(n) = 165*(n+1)*binomial(n+4,11)/4.at n=2A027807
• Central numbers in the (2,3)-Pascal triangle A029600.at n=8A029609
• a(1)=6; if n = Product p_i^e_i, n>1, then a(n) = Product p_{i+1}^e_i * Product p_{i+2}^e_i.at n=27A045969
• Partial sums of A050483.at n=8A052181
• Number of independent components for a Weyl tensor in n dimensions.at n=22A052472
• Numbers k such that 80*R_k + 7 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=18A056695
• Multiplicative closure of twin prime pair products (A037074).at n=27A074480
• T(n,k) counts the set partitions of n containing k-1 blocks of length 1.at n=38A086659
• Ninth column (m=8) of (1,4)-Pascal triangle A095666.at n=8A095671
• Least k such that decimal representation of k*n contains only digits 0 and 9.at n=27A096688
• Fifth column of (1,5)-Pascal triangle A096940.at n=24A096942
• Where A098018(k)=n.at n=11A098869
• Sum of numbers under a triangle on a spiral staircase of width 10.at n=24A111080
• Triangle read by rows: T(n,k) is the number of partitions of an n-set having k singleton blocks (0<=k<=n).at n=57A124323
• The Wiener index of the ortho-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=12A216108
• Triangle read by rows: T(n,k) = number of partitions of n with k circular successions (n>=0, 0 <= k <= n).at n=57A250104
• Column 2 of triangle in A250104 (or A124323).at n=8A250106
• a(n) = n^5 + 4*n^4 + 13*n^3 + 23*n^2 + 25*n + 3.at n=7A270869
• a(n) = (9*n)!*(4*n)!/((8*n)!*(3*n)!*(2*n)!).at n=3A295439