32472

Appears in sequences

• Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,3,3,...) and super- and subdiagonals (1,1,1,...).at n=49A124733
• a(n) = 25*n^2 + 2*n.at n=35A154377
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=17A192389
• Number of groups of order prime(n)^6.at n=24A232106
• A sixth-order linear divisibility sequence related to the Fibonacci numbers: a(n) := (1/10)*Fibonacci(3*n)*Fibonacci(5*n)/Fibonacci(n).at n=3A238601
• a(n) = 3*p^2+39*p+344+24*gcd(p-1,3)+11*gcd(p-1,4)+2*gcd(p-1,5), where p = prime(n).at n=24A269749
• g_n(16) where g is the weak Goodstein function defined in A266202.at n=23A271992
• E.g.f.: exp(1/5! * x^5 * exp(-x)).at n=12A292950
• Harary index of the n X n bishop graph.at n=21A296197
• Sum of all the parts in the partitions of n into 10 parts.at n=33A326588
• Expansion of e.g.f. 1/(1 - 3 * arctanh(x)).at n=5A385471
• Numbers k such that sigma(k) AND 3*k = 3*k, where AND is bitwise-and, A004198.at n=44A388022
• Primitive terms of A388022: numbers k that satisfy sigma(k) AND 3*k = 3*k, but none of whose proper divisors satisfy the same condition.at n=13A388025