Number of integer partitions of n with origin-to-boundary graph-distance equal to 4.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =1a(11) =5a(12) =12a(13) =24a(14) =42a(15) =66a(16) =98a(17) =135a(18) =181a(19) =233a(20) =298a(21) =367a(22) =452a(23) =543a(24) =651a(25) =765a(26) =899a(27) =1039a(28) =1202a(29) =1371