Pentagonal numbers that are the sum of a nonzero pentagonal number and a nonzero square in at least one way.

A134938

Pentagonal numbers that are the sum of a nonzero pentagonal number and a nonzero square in at least one way.

Terms

    a(0) =5a(1) =51a(2) =117a(3) =145a(4) =247a(5) =425a(6) =651a(7) =715a(8) =852a(9) =1001a(10) =1247a(11) =1717a(12) =1820a(13) =2147a(14) =2501a(15) =3015a(16) =3151a(17) =4187a(18) =4845a(19) =5017a(20) =5551a(21) =5735a(22) =6305a(23) =6501a(24) =6902a(25) =7107a(26) =7315a(27) =8626a(28) =9087a(29) =9322

External references