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A320300
Positions of 0's in binary expansion of Pi/4.
3
3, 4, 6, 7, 9, 10, 11, 12, 19, 22, 24, 26, 28, 29, 30, 32, 33, 34, 36, 37, 38, 39, 41, 44, 46, 47, 48, 51, 52, 53, 54, 56, 57, 58, 61, 63, 64, 67, 68, 69, 71, 72, 75, 76, 77, 80, 81, 84, 85, 86, 88, 90, 91, 92, 94, 98, 99, 100, 101, 102, 103, 104, 107, 111, 112, 113, 114, 115, 119, 120, 123, 125, 126, 127, 129, 130, 132, 134, 135, 137
OFFSET
1,1
COMMENTS
Numbers not in A004711.
MATHEMATICA
Flatten[Position[RealDigits[Pi/4, 2, 200][[1]], 0]] (* Alonso del Arte, Oct 11 2018, after Harvey P. Dale *)
PROG
(PARI) default(realprecision, 100); v = select(x->(x==0), binary(Pi/4)[2], 1) \\ Michel Marcus, Oct 12 2018
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jack Zhang, Oct 10 2018
STATUS
approved