483840

Appears in sequences

• Expansion of tan(x^2).at n=2A024348
• a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.at n=12A025557
• a(n) = n!/LCM{1, C(n-1,1), C(n-2,2), ..., C(n-[ n/2 ],[ n/2 ])}.at n=14A025562
• Value of phi in arithmetic progression of at least 5 terms having the same value of phi in A050515.at n=12A050517
• a(n) = (2*n+8)!!/8!!, related to A000165 (even double factorials).at n=5A051582
• Expansion of e.g.f. (1+3x-3x^2)/(1-x)^2.at n=8A052644
• Expansion of e.g.f. (1 + 4*x - sqrt(1-8*x))/8.at n=6A052712
• Sum of divisors of k such that k and k+1 have the same number and sum of divisors.at n=11A054005
• Triangle T(n,k) of number of minimal 3-covers of a labeled n-set that cover k points of that set uniquely (k=3,..,n).at n=24A057964
• Products of distinct factorials.at n=31A058295
• Numbers n such that n! is a product of distinct factorials k!*l!*m!*... with k, l, m, etc. < n.at n=32A075082
• Triangle with T(n,k)=n!*(k-1)^k/k! where 1<=k<=n.at n=38A076482
• Least number which is the sum of four nonnegative cubes (not necessarily distinct and including zero) in n ways.at n=24A076749
• Number of adjacent pairs of form (even,even) among all permutations of {1,2,...,n}.at n=8A077612
• Matrix square of unsigned Lah triangle abs(A008297(n,k)) or A105278(n,k).at n=22A079621
• Triangle whose n-th row contains the n smallest numbers that are products of n distinct integers > 1, read by rows.at n=32A081957
• a(1)=2; a(n)=ceiling(n*(a(n-1)-1/a(n-1))).at n=8A082569
• Hook products of all partitions of 13.at n=10A093792
• Hook products of all partitions of 13.at n=9A093792
• Variant of A095236, where first two people choose payphones at the ends.at n=15A095240