41160
domain: N
Appears in sequences
- Area of more than one Pythagorean triangle.at n=30A009127
- Numbers whose set of base 14 digits is {0,1}.at n=24A033050
- 7-idempotent numbers.at n=3A050989
- Triangle of idempotent numbers binomial(n,k)*k^(n-k), version 2.at n=51A059298
- Triangle of idempotent numbers (version 3), T(n, k) = binomial(n, k) * (n - k)^k.at n=58A059299
- Triangle of idempotent numbers binomial(n,k)*k^(n-k), version 4.at n=48A059300
- Numbers k such that sigma(k) - usigma(k) is a square and sets a new record for such squares.at n=29A063840
- a(n) = number of endofunctions on [n] with a 4-cycle a->b->c->d->a and for any x in [n], some iterate f^k(x) = a.at n=3A065888
- Matrix product of unsigned Lah-triangle |A008297(n,k)| and unsigned Stirling1-triangle |A008275(n,k)|.at n=32A079638
- a(n) = (n+1)(n+2)^3*(n+3)^2*(n+4)(n^2 + 4n + 5)/1440.at n=5A107967
- Smallest number having at least n divisors and a prime power as n-th divisor.at n=36A119311
- Exponential Riordan array [1, log((1-x)/(1-2x))].at n=41A131222
- A partition product of Stirling_2 type [parameter k = 1] with biggest-part statistic (triangle read by rows).at n=33A157401
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.at n=4A163440
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.at n=4A163962
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I.at n=4A164626
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.at n=4A164860
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.at n=4A165282
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.at n=4A165875
- Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^11 = I.at n=4A166382