Number of subsets of {1..n} containing n such that no element can be written as a positive linear combination of the others.
A365045
Number of subsets of {1..n} containing n such that no element can be written as a positive linear combination of the others.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =11a(6) =23a(7) =53a(8) =111a(9) =235a(10) =483a(11) =988a(12) =1998a(13) =4036a(14) =8114a(15) =16289a(16) =32645a(17) =65389a(18) =130887a(19) =261923a(20) =524014a(21) =1048251a(22) =2096753a(23) =4193832a(24) =8388034a(25) =16776544a(26) =33553622a(27) =67107919a(28) =134216597a(29) =268434140
External references
- oeis: A365045