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A138069 Triangle read by rows: row n lists the digits of A135696(n), the palindromic number with odd number of digits formed from the reflected decimal expansion of e. 3
2, 2, 7, 2, 2, 7, 1, 7, 2, 2, 7, 1, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 1, 8, 2, 8, 1, 7, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Also, successive digits of the numbers A135696(n).
LINKS
EXAMPLE
Triangle begins:
.............. 2
........... 2, 7, 2
........ 2, 7, 1, 7, 2
..... 2, 7, 1, 8, 1, 7, 2
.. 2, 7, 1, 8, 2, 8, 1, 7, 2
MATHEMATICA
Module[{nn=10, edg}, edg=RealDigits[E, 10, nn][[1]]; Table[ Join[ Take[ edg, n], Reverse[ Take[edg, n-1]]], {n, nn}]]//Flatten (* Harvey P. Dale, Aug 13 2019 *)
CROSSREFS
Decimal expansion of e: A001113. Cf. A135634, A135696, A138068.
Sequence in context: A110779 A121708 A286370 * A208475 A367197 A082837
KEYWORD
easy,nonn,tabf,base
AUTHOR
Omar E. Pol, Mar 03 2008
STATUS
approved

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Last modified June 18 21:09 EDT 2024. Contains 373487 sequences. (Running on oeis4.)