login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031887 Lucky numbers with size of gaps equal to 4 (upper terms). 0
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; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A000959.

Sequence in context: A137165 A087195 A200270 * A111721 A060455 A205541

Adjacent sequences:  A031884 A031885 A031886 * A031888 A031889 A031890

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 09:57 EST 2012. Contains 205614 sequences.