OFFSET
1,3
LINKS
David A. Corneth, Table of n, a(n) for n = 1..552
EXAMPLE
The lexicographically earliest solutions are:
..n....m: d_1 d_2 ... d_n
-------------------------
..1....1: 1
..2....0: - -
..3....6: 1, 2, 3
..4...12: 1, 2, 3, 6
..5...24: 1, 2, 3, 6, 12
..6...24: 1, 2, 3, 4, 6, 8
..7...48: 1, 2, 3, 4, 6, 8, 24
..8...60: 1, 2, 3, 4, 5, 10, 15, 20
..9...84: 1, 2, 3, 4, 6, 7, 12, 21, 28
.10..120: 1, 2, 3, 4, 5, 6, 15, 20, 24, 40
...
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Amarnath Murthy, Mar 27 2003
EXTENSIONS
Corrected by Caleb M. Shor (cshor(AT)bates.edu), Sep 26 2007
Terms a(8) onwards from Jinyuan Wang, May 23 2020
Definition clarified by N. J. A. Sloane, May 23 2020, following suggestions from Jinyuan Wang.
STATUS
approved