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A147781 1 - A147850(n). 2

%I #16 Aug 28 2013 10:22:37

%S 0,1,0,1,0,1,1,0,0,1,1,0,1,0,1,0,0,0,0,0,0,1,0,0,1,0,0,1,1,1,1,0,1,0,

%T 0,0,1,1,1,1,0,1,0,1,1,1,1,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,1,1,1,1,0,1,

%U 0,0,1,1,0,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,1,0,1,0,1,0,1,1,1,1,1,1

%N 1 - A147850(n).

%C Old name was: Odd/even binary expansion of summed, partitioned subsequent prime numbers. The sum of 8 subsequent prime numbers is multiplied, forming a new sum. The digits of each sum are added per digit, forming a new sum. The odd or even result is visualized by 0/1.

%F a(n) = 1 - A147850(n).

%e 2+3+5+7+11+13+17+19 = 1384614, 1+3+8+4+6+1+4 = 27 (odd/0).

%e 23+29+31+37+41+43+47+53 = 5466528, 5+4+6+6+5+2+8 = 36 (even/1).

%e 461+463+467+479+487+491+499+503 = 69230700, 6+9+2+3+7 = 27 (odd/0).

%e 509+521+523+541+547+557+563+569 = 77862060 , 7+7+8+6+2+6 = 36 (even/1).

%K easy,nonn,base,less

%O 1,1

%A _E.J.P. Vening_, Nov 12 2008

%E More terms and better name by _Joerg Arndt_, Aug 28 2013

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)