36001
domain: N
Appears in sequences
- Numbers m such that the factorizations of m..m+4 have the same number of primes (including multiplicities).at n=30A045941
- Numbers which are the sum of two positive cubes and divisible by 37.at n=38A102618
- Numbers k such that k divides the sum of digits of all numbers from 1 to k.at n=42A114136
- a(n) = 40*n^2 + 1.at n=30A158602
- Positive integers of the form (10*m^2+1)/11.at n=36A179338
- Numbers n such that phi(n) divides Sum_{k=1..n} phi(k).at n=45A194855
- Generalized Markoff numbers: union of numbers a, b, c, d, e satisfying the Markoff(5) equation a^2 + b^2 + c^2 + d^2 + e^2 = 5*a*b*c*d*e.at n=10A229242
- Irregular triangle read by rows: T(n,k) (n>=2, 1<=k<=n) gives number of arrangements of the elements from the multiset M(n, 2) into exactly k disjoint cycles.at n=49A245182
- Numbers n such that n, n + 1, n + 2, n + 3 and n + 4 are products of exactly three primes.at n=28A268588
- a(n) is the number of edges formed by n-secting the angles of a heptagon.at n=40A335759
- a(n) is the number of edges formed by n-secting the angles of a heptagon.at n=41A335759