a(n) is the number of large or small squares that are used to tile primary squares of type 1 (see A344331) whose side length is A345285(n).

A345286

a(n) is the number of large or small squares that are used to tile primary squares of type 1 (see A344331) whose side length is A345285(n).

Terms

    a(0) =20a(1) =90a(2) =272a(3) =468a(4) =650a(5) =1280a(6) =1332a(7) =2900a(8) =3600a(9) =2450a(10) =7650a(11) =5760a(12) =4160a(13) =6642a(14) =10388a(15) =810a(16) =16400a(17) =10100a(18) =1088a(19) =25578a(20) =29952a(21) =14762a(22) =27540a(23) =20880a(24) =42048a(25) =50960a(26) =54900a(27) =41600a(28) =28730a(29) =65610

External references