"DHK[ 7 ]" (bracelet, identity, unlabeled, 7 parts) transform of 1,1,1,1,...

Terms

a(0) =4a(1) =10a(2) =28a(3) =56a(4) =113a(5) =197a(6) =340a(7) =544a(8) =856a(9) =1284a(10) =1896a(11) =2709a(12) =3816a(13) =5247a(14) =7128a(15) =9504a(16) =12540a(17) =16302a(18) =21001a(19) =26728a(20) =33748a(21) =42185a(22) =52364a(23) =64448a(24) =78832a(25) =95725a(26) =115600a(27) =138720a(28) =165648a(29) =196707