OFFSET
0,3
COMMENTS
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..9841 (rows for n = 0..2^9-1 flattened)
EXAMPLE
Table T(n, k) begins:
0;
1;
3;
2, 4;
9;
8, 10;
6, 12;
5, 7, 11, 13;
27;
26, 28;
24, 30;
23, 25, 29, 31;
18, 36;
17, 19, 35, 37;
15, 21, 33, 39;
14, 16, 20, 22, 32, 34, 38, 40;
81;
...
PROG
(PARI) row(n) = { my (r = [sign(n)], b = binary(n)); for (k = 2, #b, r = [3*v+b[k]|v<-r]; if (b[k], r = concat(r, [v-2|v<-r]); ); ); Set(r); }
CROSSREFS
KEYWORD
nonn,tabf,base
AUTHOR
Rémy Sigrist, Dec 18 2023
STATUS
approved