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A305297 Restricted growth sequence transform of A292260, formed from 0-digits in ternary representation of A245612(n). 3
1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 4, 1, 1, 3, 4, 2, 1, 5, 6, 7, 8, 2, 4, 8, 1, 9, 1, 2, 8, 10, 1, 1, 1, 11, 12, 1, 5, 13, 14, 15, 6, 4, 1, 7, 8, 16, 7, 9, 1, 17, 18, 19, 1, 8, 8, 3, 6, 17, 20, 4, 1, 17, 4, 3, 1, 21, 22, 23, 24, 25, 4, 26, 27, 1, 24, 28, 29, 9, 5, 4, 5, 13, 10, 30, 1, 31, 14, 13, 6, 32, 33, 6, 34, 15, 18, 4, 1, 35, 6, 31, 36, 1, 30, 36, 1, 37 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

For all i, j: a(i) = a(j) => A292261(i) = A292261(j).

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..65537

PROG

(PARI)

A003961(n) = my(f = factor(n)); for (i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f); \\ From A003961

A048673(n) = (A003961(n)+1)/2;

A254049(n) = A048673((2*n)-1);

A245612(n) = if(n<2, 1+n, if(!(n%2), (3*A245612(n/2))-1, A254049(A245612((n-1)/2))));

A291770(n) = { my(s=0, b=1, d); while(n>2, if(!(n%3), s += b); b <<= 1; n \= 3); (s); };

A292260(n) = A291770(A245612(n));

rgs_transform(invec) = { my(om = Map(), outvec = vector(length(invec)), u=1); for(i=1, length(invec), if(mapisdefined(om, invec[i]), my(pp = mapget(om, invec[i])); outvec[i] = outvec[pp] , mapput(om, invec[i], i); outvec[i] = u; u++ )); outvec; };

v305297 = rgs_transform(vector(65538, n, A292260(n-1)));

A305297(n) = v305297[1+n];

CROSSREFS

Cf. A291770, A292260, A245612, A292261.

Cf. also A305296, A305298.

Cf. also A304750.

Sequence in context: A298848 A193518 A060176 * A218220 A247487 A010248

Adjacent sequences:  A305294 A305295 A305296 * A305298 A305299 A305300

KEYWORD

nonn

AUTHOR

Antti Karttunen, May 31 2018

STATUS

approved

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Last modified December 11 19:53 EST 2018. Contains 318050 sequences. (Running on oeis4.)