Number of hexagons that can be formed with perimeter n. In other words, partitions of n into six parts such that the sum of any 5 is more than the sixth.
A069907
Number of hexagons that can be formed with perimeter n. In other words, partitions of n into six parts such that the sum of any 5 is more than the sixth.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =1a(8) =2a(9) =3a(10) =4a(11) =6a(12) =9a(13) =12a(14) =16a(15) =22a(16) =28a(17) =37a(18) =46a(19) =59a(20) =71a(21) =91a(22) =107a(23) =134a(24) =157a(25) =193a(26) =222a(27) =271a(28) =308a(29) =371
External references
- oeis: A069907