Omit first term from A160534 and divide by 7.

Terms

a(0) =0a(1) =-1a(2) =2a(3) =1a(4) =-7a(5) =3a(6) =5a(7) =6a(8) =-8a(9) =-17a(10) =15a(11) =-10a(12) =21a(13) =21a(14) =-19a(15) =-24a(16) =-33a(17) =36a(18) =-22a(19) =45a(20) =63a(21) =1a(22) =-92a(23) =-82a(24) =85a(25) =-97a(26) =105a(27) =82a(28) =28a(29) =-58