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A068619
a(1) = 3; a(n+1) = smallest triangular number formed by inserting one or more digits into a(n).
6
3, 36, 136, 1326, 113526, 110283526, 1102583542690, 115025835237421690, 1145025835243794632181690
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OFFSET
1,1
COMMENTS
The sequence is the same if a(1) = 6.
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Cf.
A068618
.
Sequence in context:
A275560
A213848
A006428
*
A247768
A168075
A275085
Adjacent sequences:
A068616
A068617
A068618
*
A068620
A068621
A068622
KEYWORD
base
,
nonn
,
more
AUTHOR
Amarnath Murthy
, Feb 25 2002
EXTENSIONS
a(5)-a(6) corrected and a(7) added by
Max Alekseyev
, Apr 25 2009
a(8)-a(9) from
Max Alekseyev
, Apr 26 2012, Feb 11 2018
STATUS
approved
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Last modified September 19 07:23 EDT 2024. Contains 376004 sequences. (Running on oeis4.)