

A050279


a(n) is the starting position of the first occurrence of a string of exactly n '0's in the decimal expansion of Pi.


20




OFFSET

1,1


COMMENTS

At least up to a(10), also the starting position of the first occurrence of a string of at least n '0's in the decimal expansion of Pi.  M. F. Hasler, Mar 19 2017


REFERENCES

Shigeru Kondo, calculation of Pi to 12.8 * 10^9 digits, using the program PiFast of Xavier Gourdon


LINKS

Table of n, a(n) for n=1..10.
David G. Andersen, The PiSearch Page.
Eric Weisstein's World of Mathematics, Pi Digits


CROSSREFS

Cf. A000796: Decimal expansion (or digits) of Pi.
First occurrence of exactly n times the same digit: A096755 (exactly n '1's), A096756, A096757, A096758, A096759, A096760, A096761, A096762, A096763 (exactly n '9's), A050279 (exactly n '0's).
First occurrence of n times the same digit: A035117 (n '1's), A050281 (n '2's), A050282, A050283, A050284, A050286, A050287, A048940 (n '9's).
First occurrence of concatenate(1,...,n): A121280 = A068987  1.
Sequence in context: A159654 A061958 * A096764 A256802 A199532 A165004
Adjacent sequences: A050276 A050277 A050278 * A050280 A050281 A050282


KEYWORD

nonn,base,more


AUTHOR

Eric W. Weisstein


EXTENSIONS

More terms from Colin B. Martin (martinc(AT)ram.net.au), Nov 25 2001
Edited by N. J. A. Sloane at the suggestion of M. F. Hasler, Aug 24 2007
Edited by M. F. Hasler, Mar 19 2017


STATUS

approved



