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 A292373 A binary encoding of 3-digits in base-4 representation of n. 6
 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 5, 4, 4, 4, 5, 4, 4, 4, 5, 6, 6, 6, 7, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 5, 4, 4, 4, 5, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,13 LINKS Antti Karttunen, Table of n, a(n) for n = 0..65536 FORMULA a(n) = A059905(A048735(n)) = A059906(A213370(n)). For all n >= 0, A000120(a(n)) = A160383(n). EXAMPLE n      a(n)     base-4(n)  binary(a(n))                   A007090(n)  A007088(a(n))   --      ----    ----------  ------------    1        0          1           0    2        0          2           0    3        1          3           1    4        0         10           0    5        0         11           0    6        0         12           0    7        1         13           1    8        0         20           0    9        0         21           0   10        0         22           0   11        1         23           1   12        2         30          10   13        2         31          10   14        2         32          10   15        3         33          11   16        0        100           0   17        0        101           0   18        0        102           0   19        1        103           1 PROG (Scheme, with memoization-macro definec) (definec (A292373 n) (if (zero? n) n (let ((d (modulo n 4))) (+ (if (= 3 d) 1 0) (* 2 (A292373 (/ (- n d) 4))))))) CROSSREFS Cf. A007088, A007090, A048735, A059905, A059906, A160383, A213370, A292370, A292371, A292372. Sequence in context: A235812 A343471 A035307 * A305383 A004481 A307296 Adjacent sequences:  A292370 A292371 A292372 * A292374 A292375 A292376 KEYWORD nonn,base AUTHOR Antti Karttunen, Sep 15 2017 STATUS approved

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Last modified July 30 04:51 EDT 2021. Contains 346348 sequences. (Running on oeis4.)