2941225
domain: N
Appears in sequences
- Numbers whose prime factors are 5 and 7.at n=27A033851
- a(n) = (n^(n+1) + n^(n-1))/2.at n=6A062023
- Triangle read by rows: T(n,k) is the coefficient of x^k of the polynomial n(n-x)(n-2x)(n-3x)...(n-(n-1)x) (n>=1, 0<=k<=n-1).at n=23A123670
- a(n) = n^6*(n^2 + 1)/2.at n=7A168527
- Smallest number with n prime divisors (counted with multiplicity) which is not divisible by a(k) for any k < n.at n=7A197082
- a(n) = A276086(A025487(n)).at n=20A324576
- a(n) = A276086(A003415(n)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.at n=64A327859
- If A327928(n) is zero, a(n) = A003415(n), otherwise a(n) = A327859(n) = A276086(A003415(n)).at n=63A328097
- Triangle read by rows. T(n, k) = n^k * |Stirling1(n, k)|.at n=33A355007
- Denominator of n/A276086(A003415(n)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.at n=64A370117