Number of integer-sided pentagons having perimeter n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =3a(7) =4a(8) =9a(9) =13a(10) =23a(11) =29a(12) =48a(13) =60a(14) =92a(15) =109a(16) =158a(17) =186a(18) =258a(19) =296a(20) =397a(21) =451a(22) =589a(23) =658a(24) =841a(25) =933a(26) =1169a(27) =1283a(28) =1582a(29) =1728