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 A167502 Sequence A167500 (= list of nonzero bits in this sequence), written in binary. 6
 1, 10, 100, 111, 1000, 1001, 1010, 1110, 10001, 10010, 10100, 10110, 10111, 11000, 11010, 11110, 11111, 100010, 100100, 100110, 101001, 101011, 101100, 101110, 110000, 110001, 110010, 110011, 110100, 111000, 111001, 111011, 111101, 111110 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA A167502 = A007088 o A167500 EXAMPLE Sequence A167500 starts 1,2,4,7,... = 1,10,100,111,.... when written in binary. PROG (PARI) a=b=[]; for(n=1, 30, #b >= n & for( i=a[n-1]+1, #b, b[i] & (a=concat(a, i)) & break); #asubst(Pol(binary(t)), x, 10), a) CROSSREFS Cf. A167500 (this sequence written in decimal), A167501 (the digits of this sequence). Sequence in context: A099820 A273245 A276349 * A135652 A035504 A072366 Adjacent sequences:  A167499 A167500 A167501 * A167503 A167504 A167505 KEYWORD base,nonn AUTHOR M. F. Hasler, Nov 05 2009 STATUS approved

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