OFFSET
1,2
COMMENTS
A subsequence of A367600.
This 50-term sequence was found by David W. Wilson in 2007. See the Eric Angelini link.
See A367338 for definition of comma-child.
LINKS
Eric Angelini, The Commas Sequence, Message to Sequence Fans, Sep 06 2016. [Cached copy, with permission]
Eric Angelini, Michael S. Branicky, Giovanni Resta, N. J. A. Sloane, and David W. Wilson, The Comma Sequence: A Simple Sequence With Bizarre Properties, arXiv:2401.14346, Youtube
PROG
(Python)
def ok(n): y = int(str(n)[0]); x = (n-y)%10; return n - y - 10*x < 1
print([k for k in range(1, 99) if ok(k)]) # Michael S. Branicky, Dec 15 2023
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Michael S. Branicky and N. J. A. Sloane, Dec 15 2023.
STATUS
approved