Number of set partitions of [n+4] such that n is the largest element of the last block.
A271755
Number of set partitions of [n+4] such that n is the largest element of the last block.
Terms
- a(0) =0a(1) =1a(2) =18a(3) =149a(4) =1039a(5) =6932a(6) =46299a(7) =315597a(8) =2215148a(9) =16075611a(10) =120829511a(11) =941052026a(12) =7592454845a(13) =63417026389a(14) =547926762922
External references
- oeis: A271755