The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A011557 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A011557

Powers of 10: a(n) = 10^n.
(history; published version)

#112 by Amiram Eldar at Sun Apr 28 11:42:06 EDT 2024

STATUS

reviewed

approved

#111 by Stefano Spezia at Sun Apr 28 11:40:43 EDT 2024

STATUS

proposed

reviewed

#110 by Stefano Spezia at Sun Apr 28 11:40:38 EDT 2024

STATUS

editing

proposed

#109 by Stefano Spezia at Sun Apr 28 11:40:33 EDT 2024

CROSSREFS

Cf. A00005, A000005, A000012, A000290, A000400, A007953, A008776, A159991, A178500, A242614.

STATUS

approved

editing

#108 by N. J. A. Sloane at Sun Apr 28 11:32:25 EDT 2024

STATUS

proposed

approved

#107 by Stefano Spezia at Sun Apr 28 10:19:02 EDT 2024

STATUS

editing

proposed

#106 by Stefano Spezia at Sun Apr 28 10:18:51 EDT 2024

CROSSREFS

Cf. A00005, A000012, A000290, A000400, A007953, A008776, A159991, A178500, A242614.

#105 by Stefano Spezia at Sun Apr 28 10:16:35 EDT 2024

FORMULA

Sum_{n>0} 1/a(n) = 1/9 = A000012. - Stefano Spezia, Apr 28 2024

CROSSREFS

Cf. A000012, A242614.

STATUS

approved

editing

#104 by Harvey P. Dale at Sun Sep 17 11:54:27 EDT 2023

STATUS

editing

approved

#103 by Harvey P. Dale at Sun Sep 17 11:54:23 EDT 2023

MATHEMATICA

10^Range[0, 20] (* Harvey P. Dale, Sep 17 2023 *)

STATUS

approved

editing