A043640 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A043640

Numbers whose base-10 representation has exactly 4 runs.

1010, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1047, 1048, 1049

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..36.

CROSSREFS

Sequence in context: A163278 A082461 A071998 * A286138 A145808 A252683

Adjacent sequences: A043637 A043638 A043639 * A043641 A043642 A043643

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved