



1, 12, 35, 94, 135, 248, 331, 461, 530, 651, 744, 809, 908, 1068, 2070, 3039, 4093, 5012, 6013, 7042, 8026, 9055, 10058, 20047, 30092, 40017, 50008, 60054, 70063, 80065, 90022, 100058, 200051, 300060, 400093, 500028, 600074, 700013, 800022, 900055, 1000006, 2000047, 3000008, 4000061, 5000034, 6000055, 7000008, 8000056, 9000013, 10000036, 20000038, 30000029, 40000039, 50000030, 60000051, 70000064, 80000064, 90000077
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

These are the terms in A121805 where either the leading digit or the length has just changed.


LINKS



PROG

(Python)
def agen(): # generator of terms
n, an, y, prev_lead, prev_length = 1, 1, 1, None, None
while y < 10:
san = str(an)
lead, length = san[0], len(san)
if lead != prev_lead or length != prev_length:
yield an
an, y = an + 10*(an%10), 1
while y < 10:
if str(an+y)[0] == str(y):
an += y
break
y += 1
n, prev_lead, prev_length = n+1, lead, length


CROSSREFS



KEYWORD

nonn,base,fini,full


AUTHOR



EXTENSIONS

More than the usual number of terms are shown in order to match the data in A367358.


STATUS

approved



