A330790 - OEIS

A330790

Numbers k where 2^k in decimal has a record number of zeros.

0, 10, 42, 43, 79, 88, 100, 102, 189, 198, 242, 250, 252, 262, 306, 368, 383, 447, 464, 466, 557, 628, 654, 657, 746, 771, 798, 905, 988, 989, 1044, 1114, 1118, 1217, 1316, 1461, 1486, 1493, 1703, 1705, 1753, 1926, 1993, 2122, 2159, 2368, 2462, 2502, 2594, 2680, 2739, 2900, 2936

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Where records occur in A027870. The numbers of zeros are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 17, 18, 19, 20, 21, 24, 25, 28, ...

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..2741

CROSSREFS

Cf. A027870, A031146, A031147.

Sequence in context: A222858 A041188 A113683 * A060994 A086544 A031146

Adjacent sequences: A330787 A330788 A330789 * A330791 A330792 A330793

KEYWORD

nonn,base

AUTHOR

Chai Wah Wu, Feb 11 2020

STATUS

approved