A292242 Number of trailing 2-digits in ternary representation of A254103(n).

0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1

Offset

0,7

Links

Antti Karttunen, Table of n, a(n) for n = 0..16384

Formula

a(n) = A007949(1+A254103(n)).

a(n) = A007814(1+A291760(n)).

a(0) = 0, after which, a(2n) = 1 + A292241(n/2), a(2n+1) = 0.

Prog

(Scheme)
(define (A292242 n) (A007949 (+ 1 (A254103 n))))
(define (A292242 n) (A007814 (+ 1 (A291760 n))))
(define (A292242 n) (cond ((zero? n) n) ((odd? n) 0) (else (+ 1 (A292241 (/ n 2))))))

Crossrefs

Cf. A007814, A007949, A254103, A291760, A292241 (even bisection subtracted by one).

Cf. also A292252, A292262.

Sequence in context: A104975 A191254 A106404 * A280800 A083889 A360079

Adjacent sequences: A292239 A292240 A292241 * A292243 A292244 A292245

Keyword

nonn,base

Author

Antti Karttunen, Sep 12 2017

Status

approved