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a(n)=(1/32)*{83*(n mod 16)-69*[(n+1) mod 16]+33*[(n+2) mod 16]+31*[(n+3) mod 16]-17*[(n+4) mod 16]-39*[(n+5) mod 16]+123*[(n+6) mod 16]-61*[(n+7) mod 16]-21*[(n+8) mod 16]+35*[(n+9) mod 16]+75*[(n+10) mod 16]-109*[(n+11) mod 16]+53*[(n+12) mod 16]+31*[(n+13) mod 16]-17*[(n+14) mod 16]-19*[(n+15) mod 16]}, with n>=0 - Paolo P. Lava, Aug 29 2007
CROSSREFS
Period=16. Also half of the first differences of A112074. Cf. A112086.