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 A135697 Palindromes formed from the reflected decimal expansion of Pi. 5
 3, 33, 313, 3113, 31413, 314413, 3141413, 31411413, 314151413, 3141551413, 31415951413, 314159951413, 3141592951413, 31415922951413, 314159262951413, 3141592662951413, 31415926562951413, 314159265562951413 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Pi = 3.14159265358979323846264338327... (see A000796). The number of digits of a(n) is equal to n. LINKS EXAMPLE n ... Successive digits of a(n) 1 ............ ( 3 ) 2 ........... ( 3 3 ) 3 .......... ( 3 1 3 ) 4 ......... ( 3 1 1 3 ) 5 ........ ( 3 1 4 1 3 ) 6 ....... ( 3 1 4 4 1 3 ) 7 ...... ( 3 1 4 1 4 1 3 ) 8 ..... ( 3 1 4 1 1 4 1 3 ) 9 .... ( 3 1 4 1 5 1 4 1 3 ) 10 .. ( 3 1 4 1 5 5 1 4 1 3 ) CROSSREFS Cf. A000796, A002113, A039954, A138070, A138071. Sequence in context: A274264 A107127 A207323 * A226508 A097486 A121515 Adjacent sequences:  A135694 A135695 A135696 * A135698 A135699 A135700 KEYWORD base,nonn,tabl AUTHOR Omar E. Pol, Mar 01 2008, Mar 28 2008 STATUS approved

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Last modified August 23 14:13 EDT 2019. Contains 326243 sequences. (Running on oeis4.)