27220
domain: N
Appears in sequences
- Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls.at n=21A005338
- Number of trees on n nodes with forbidden limbs.at n=17A014265
- Number of trees on n nodes with forbidden limbs.at n=17A014266
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VET = VPI-8 [Si17O34] starting with a T3 atom.at n=13A019249
- a(n) = prime(n)*prime(n-1) - 1.at n=38A023515
- Number of compositions of n such that two adjacent parts are not equal modulo 3.at n=22A062201
- a(n) = 25*n^2 - 5.at n=32A158446
- Number of compositions of n with the LMV property.at n=16A188576
- The number of edges formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts.at n=2A333137