Number of partitions of [n] whose blocks are ordered with increasing least elements and where block i has size at most i.
A362638
Number of partitions of [n] whose blocks are ordered with increasing least elements and where block i has size at most i.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =11a(6) =34a(7) =117a(8) =458a(9) =1960a(10) =9113a(11) =45730a(12) =246220a(13) =1411820a(14) =8584314a(15) =55121249a(16) =372445462a(17) =2639750490a(18) =19570232608a(19) =151390999949
External references
- oeis: A362638