72385

Appears in sequences

• 4-dimensional analog of centered polygonal numbers: a(n) = n(n+1)*(n^2+n+4)/12.at n=30A006007
• Numbers k whose decimal representation, read as a base-15 value and divided by k, yields an integer.at n=17A032561
• a(n) = 1 + 2*n + 3*n^2 + 4*n^3.at n=26A056578
• Expansion of -(x+2*x^2+3*x^3-1+5*x^4)/((x+1)*(x^2-3*x+1)*(1+x^2)).at n=15A109786
• a(n) = n*(16*n^2 + 3*n - 13)/6.at n=30A172078
• Number of emergent parts in all partitions of n.at n=43A182699
• Number of ways to choose a constant partition of each part of a constant partition of n.at n=32A279789
• a(n) = Sum_{k = 1...n} k^(2^(n - k)).at n=5A323775
• Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 5 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=-1, respectively.at n=40A337628