Structured rhombic triacontahedral numbers (vertex structure 7).

Terms

a(0) =1a(1) =32a(2) =147a(3) =400a(4) =845a(5) =1536a(6) =2527a(7) =3872a(8) =5625a(9) =7840a(10) =10571a(11) =13872a(12) =17797a(13) =22400a(14) =27735a(15) =33856a(16) =40817a(17) =48672a(18) =57475a(19) =67280a(20) =78141a(21) =90112a(22) =103247a(23) =117600a(24) =133225a(25) =150176a(26) =168507a(27) =188272a(28) =209525a(29) =232320