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A117151 Numbers n such that the minimal length of the corresponding shortest addition chain A003313(n)=A003313(10*n). 8
432541, 838861, 865082, 1468007, 1677722, 1730164, 1887437, 2516583, 2726299, 2936014, 3355444, 3460301, 3460328, 3774874, 5033165, 5033166, 5452598, 5872027, 5872028, 6710888, 6920602, 6920605, 6920656, 7130317, 7549748, 7549749, 10066330 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The sequence is based on data computed by Neill M. Clift.

LINKS

Hugo Pfoertner, Table of n, a(n) for n = 1..276

CROSSREFS

Cf. A115016, A003313 [l(k)], A086878 [l(k)=l(2*k)], A116459 [l(k)=l(3*k], A261986 [l(k)=l(4*k)], A116460 [l(k)=l(5*k)], A116461 [l(k)=l(6*k)], A116462 [l(k)=l(7*k], A116463[l(k)=l(9*k)].

Sequence in context: A237926 A117318 A085092 * A186048 A306867 A163612

Adjacent sequences:  A117148 A117149 A117150 * A117152 A117153 A117154

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Mar 07 2006

EXTENSIONS

More terms from Hugo Pfoertner, Sep 07 2015

STATUS

approved

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Last modified March 5 15:57 EST 2021. Contains 341825 sequences. (Running on oeis4.)