Pentagonal numbers (A000326) whose digit reversal is a brilliant number (A078972).

Terms

a(0) =12a(1) =51a(2) =176a(3) =715a(4) =925a(5) =1426a(6) =3151a(7) =3290a(8) =10795a(9) =15251a(10) =16172a(11) =19097a(12) =79235a(13) =92132a(14) =114955a(15) =117460a(16) =119992a(17) =127750a(18) =150575a(19) =355510a(20) =755795a(21) =779401a(22) =1010651a(23) =1108970a(24) =1258126a(25) =1274665a(26) =1294097a(27) =1463722a(28) =1466687a(29) =1675345