Number of partially ordered partitions of n into parts less than or equal to 3, in which the order of adjacent 2's and 3's is unimportant.

A254685

Number of partially ordered partitions of n into parts less than or equal to 3, in which the order of adjacent 2's and 3's is unimportant.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =12a(6) =22a(7) =39a(8) =69a(9) =123a(10) =219a(11) =389a(12) =692a(13) =1231a(14) =2189a(15) =3893a(16) =6924a(17) =12314a(18) =21900a(19) =38949a(20) =69270a(21) =123195a(22) =219100a(23) =389665a(24) =693011a(25) =1232506a(26) =2191987a(27) =3898404a(28) =6933232a(29) =12330612

External references