Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A031887
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A031887 Lucky numbers with size of gaps equal to 4 (upper terms). +0
1
7, 13, 25, 37, 67, 73, 79, 115, 133, 163, 193, 205, 223, 235, 241, 289, 307, 331, 361, 433, 487, 541, 583, 619, 643, 655, 727, 739, 745, 781, 805, 823, 931, 937, 961, 979, 997, 1057, 1105, 1183, 1201, 1249, 1285, 1369, 1459, 1495, 1501, 1567 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A000959.

Sequence in context: A034780 A137165 A087195 this_sequence A111721 A060455 A072579

Adjacent sequences: A031884 A031885 A031886 this_sequence A031888 A031889 A031890

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


AT&T Labs Research