login
A155676
Decimal expansion of log_9 (21).
19
1, 3, 8, 5, 6, 2, 1, 8, 7, 4, 5, 8, 0, 7, 1, 1, 1, 3, 0, 0, 3, 3, 9, 6, 4, 1, 5, 3, 5, 4, 1, 2, 2, 8, 8, 5, 9, 0, 3, 3, 2, 3, 5, 6, 6, 7, 2, 9, 7, 1, 2, 1, 7, 3, 9, 6, 8, 4, 4, 9, 6, 2, 8, 8, 6, 3, 9, 9, 4, 3, 0, 9, 9, 3, 5, 1, 4, 0, 6, 1, 0, 5, 4, 1, 7, 1, 5, 0, 4, 9, 4, 6, 6, 8, 7, 5, 4, 4, 8
OFFSET
1,2
EXAMPLE
1.3856218745807111300339641535412288590332356672971217396844...
MATHEMATICA
RealDigits[Log[9, 21], 10, 120][[1]] (* Harvey P. Dale, May 04 2012 *)
PROG
(PARI) default(realprecision, 100); log(21)/log(9) \\ G. C. Greubel, Sep 01 2018
(Magma) SetDefaultRealField(RealField(100)); Log(21)/Log(9); // G. C. Greubel, Sep 01 2018
CROSSREFS
Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), thus sequence, A155743 (m=22), A155829 (m=23), A155976 (m=24).
Sequence in context: A140385 A078361 A193014 * A200243 A236229 A343920
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Oct 30 2009
STATUS
approved