Number of alternating strict compositions of n. Number of alternating (up/down or down/up) permutations of strict integer partitions of n.
A349054
Number of alternating strict compositions of n. Number of alternating (up/down or down/up) permutations of strict integer partitions of n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =5a(6) =9a(7) =11a(8) =15a(9) =21a(10) =35a(11) =41a(12) =59a(13) =75a(14) =103a(15) =155a(16) =193a(17) =255a(18) =339a(19) =443a(20) =569a(21) =841a(22) =1019a(23) =1365a(24) =1743a(25) =2295a(26) =2879a(27) =3785a(28) =5151a(29) =6417
External references
- oeis: A349054