Number of partitions of {1,..,n} in which no part of a given size occurs just once.
A114917
Number of partitions of {1,..,n} in which no part of a given size occurs just once.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =4a(5) =1a(6) =71a(7) =106a(8) =1051a(9) =2759a(10) =19552a(11) =51041a(12) =864579a(13) =3134132a(14) =34990671a(15) =211464345a(16) =1832236004a(17) =11261632321a(18) =109973219879a(19) =659853699654
External references
- oeis: A114917