Number of subsets of {1..n} containing n such that no element is a sum of distinct other elements. A variation of non-binary sum-free subsets without re-usable elements.
A365071
Number of subsets of {1..n} containing n such that no element is a sum of distinct other elements. A variation of non-binary sum-free subsets without re-usable elements.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =9a(6) =15a(7) =23a(8) =40a(9) =55a(10) =94a(11) =132a(12) =210a(13) =298a(14) =476a(15) =644a(16) =1038a(17) =1406a(18) =2149a(19) =2965a(20) =4584a(21) =6077a(22) =9426a(23) =12648a(24) =19067a(25) =25739a(26) =38958a(27) =51514a(28) =78459a(29) =104265
External references
- oeis: A365071