OFFSET
1,1
COMMENTS
This is the second-order comma transform of the nonnegative integers.
See A367360 for further information.
LINKS
N. J. A. Sloane, Table of n, a(n) for n = 1..9999
PROG
(Python)
from itertools import count, islice, pairwise
def S(): yield from (str(i) for i in count(0))
def C(): yield from (str(int(t[-1]+u[0])) for t, u in pairwise(S()))
def a(): yield from (int(t[-1]+u[0]) for t, u in pairwise(C()))
print(list(islice(a(), 80))) # Michael S. Branicky, Dec 11 2023
CROSSREFS
KEYWORD
AUTHOR
N. J. A. Sloane, Dec 11 2023
STATUS
approved