A366830 Self-locating strings within Pi: numbers n such that the reverse string n starts at position n in the decimal digits of Pi, where 3 is the first digit.

5, 1610, 5833, 82699856, 9633661255, 17292288245, 78246420246

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Example

1610 is a term because '0161' starts at position 1610:
Position  1  2  3  4  ...  1610  1611  1612  1613  ...
Pi        3  1  4  1  ...    0     1     6     1   ...

Crossrefs

Cf. A057679, A057680, A366831.

Sequence in context: A177906 A127106 A165877 * A123658 A262628 A237914

Adjacent sequences: A366827 A366828 A366829 * A366831 A366832 A366833

Keyword

base,nonn,more

Author

J. Volkmar Schmidt, Oct 31 2023

Status

approved