Number of partitions of an n-set into blocks of size <= sqrt(n).
A368502
Number of partitions of an n-set into blocks of size <= sqrt(n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =10a(5) =26a(6) =76a(7) =232a(8) =764a(9) =12644a(10) =61136a(11) =312676a(12) =1680592a(13) =9467680a(14) =55704104a(15) =341185496a(16) =6631556521a(17) =49294051497a(18) =380306658250
External references
- oeis: A368502