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A265918 a(n) = A070939(n) mod A000120(n), where A070939(n) is the binary length of n and A000120(n) is the binary weight of n. 2
0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 2, 2, 1, 0, 0, 0, 2, 0, 2, 2, 1, 0, 2, 2, 1, 2, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 3, 3, 2, 1, 1, 1, 3, 1, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,19

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

MATHEMATICA

Table[Mod[IntegerLength[n, 2], Total@ IntegerDigits[n, 2]], {n, 120}] (* Michael De Vlieger, Dec 21 2015 *)

PROG

(Python)

for n in range(1, 88): print str((len(bin(n))-2) % bin(n).count('1'))+', ',

(PARI) a(n) = #binary(n) % hammingweight(n); \\ Michel Marcus, Dec 19 2015

CROSSREFS

Cf. A000120, A070939, A135941, A199238, A265917.

Sequence in context: A332292 A054350 A026606 * A207676 A161175 A095955

Adjacent sequences:  A265915 A265916 A265917 * A265919 A265920 A265921

KEYWORD

nonn,base

AUTHOR

Alex Ratushnyak, Dec 18 2015

STATUS

approved

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Last modified May 12 19:15 EDT 2021. Contains 343829 sequences. (Running on oeis4.)