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A147781 1 - A147850(n). 2
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, 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, 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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.

LINKS

Table of n, a(n) for n=1..105.

FORMULA

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

EXAMPLE

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

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

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

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

CROSSREFS

Sequence in context: A301850 A189031 A189212 * A327216 A288640 A082446

Adjacent sequences: A147778 A147779 A147780 * A147782 A147783 A147784

KEYWORD

easy,nonn,base,less

AUTHOR

E.J.P. Vening, Nov 12 2008

EXTENSIONS

More terms and better name by Joerg Arndt, Aug 28 2013

STATUS

approved

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Last modified December 5 02:22 EST 2022. Contains 358572 sequences. (Running on oeis4.)