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A346782
Numbers k such that A006577(k!) sets a new record.
2
2, 3, 4, 5, 7, 8, 9, 11, 12, 14, 17, 21, 26, 29, 33, 34, 37, 44, 45, 47, 48, 51, 52, 55, 58, 61, 70, 78, 85, 89, 91, 92, 93, 96, 97, 98, 105, 107, 113, 114, 118, 124, 129, 135, 145, 148, 149, 150, 152, 157, 161, 173, 175, 179, 184, 192, 201, 205, 206, 209, 212, 213
OFFSET
1,1
PROG
(PARI) a6577(n0)={my(n=n0, k=0); while(n>1, k++; n=if(n%2, 3*n+1, n/2)); k};
a346782(limit)={my(msteps=0); for(k=0, limit, my(m=a6577(k!)); if(m>msteps, print1(k, ", "); msteps=m))};
a346782(215)
CROSSREFS
The corresponding record numbers of steps are A346783.
Sequence in context: A079734 A050730 A288221 * A229757 A319272 A366142
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Aug 04 2021
STATUS
approved