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A138068
Triangle read by rows: row n lists the digits of A135634(n), the palindromic number formed from the reflected decimal expansion of e.
4
2, 2, 2, 2, 7, 2, 2, 7, 7, 2, 2, 7, 1, 7, 2, 2, 7, 1, 1, 7, 2, 2, 7, 1, 8, 1, 7, 2, 2, 7, 1, 8, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 8, 2, 8, 1, 7, 2
OFFSET
1,1
COMMENTS
Also, successive digits of the numbers A135634(n).
EXAMPLE
Triangle begins:
...... 2
..... 2,2
.... 2,7,2
... 2,7,7,2
.. 2,7,1,7,2
CROSSREFS
Decimal expansion of e: A001113. Cf. A135634, A135696, A138069.
Sequence in context: A024723 A035470 A061292 * A246052 A054083 A270379
KEYWORD
easy,nonn,tabl,base
AUTHOR
Omar E. Pol, Mar 03 2008
STATUS
approved