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A202269
Right-truncatable triangular numbers: every prefix is triangular number.
1
1, 3, 6, 10, 15, 36, 66, 105, 153, 666
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OFFSET
1,2
COMMENTS
This sequence is finite with 10 terms.
LINKS
Table of n, a(n) for n=1..10.
CROSSREFS
Cf.
A000217
(triangular numbers).
Sequence in context:
A230364
A214282
A130200
*
A151375
A353217
A310082
Adjacent sequences:
A202266
A202267
A202268
*
A202270
A202271
A202272
KEYWORD
nonn
,
base
,
fini
,
full
AUTHOR
Jaroslav Krizek
, Dec 25 2011
STATUS
approved
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Last modified July 28 17:08 EDT 2024. Contains 374726 sequences. (Running on oeis4.)