Number of subsets of {1..n} containing some element equal to the sum of two or more distinct other elements. A variation of sum-full subsets without re-used elements.
A364534
Number of subsets of {1..n} containing some element equal to the sum of two or more distinct other elements. A variation of sum-full subsets without re-used elements.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =10a(6) =27a(7) =68a(8) =156a(9) =357a(10) =775a(11) =1667a(12) =3505a(13) =7303a(14) =15019a(15) =30759a(16) =62489a(17) =126619a(18) =255542a(19) =514721a(20) =1034425a(21) =2076924a(22) =4164650a(23) =8346306a(24) =16715847a(25) =33467324a(26) =66982798a(27) =134040148a(28) =268179417a(29) =536510608
External references
- oeis: A364534