Centered 47-gonal numbers.

Terms

a(0) =1a(1) =48a(2) =142a(3) =283a(4) =471a(5) =706a(6) =988a(7) =1317a(8) =1693a(9) =2116a(10) =2586a(11) =3103a(12) =3667a(13) =4278a(14) =4936a(15) =5641a(16) =6393a(17) =7192a(18) =8038a(19) =8931a(20) =9871a(21) =10858a(22) =11892a(23) =12973a(24) =14101a(25) =15276a(26) =16498a(27) =17767a(28) =19083a(29) =20446