A068856 First of three consecutive Ulam numbers (A002858) in arithmetic progression with difference 22.

905, 1208, 2134, 3109, 8294, 12482, 12917, 15744, 16047, 16543, 19353, 19871, 19893, 19915, 19937, 20499, 29073, 37239, 37261, 37283, 38534, 39333, 39355, 40931, 40953, 43328, 49031, 59230, 64823, 67005, 67027, 71628, 71650, 72234, 81326, 82213, 82406, 82428

Offset

1,1

Comments

Numbers k such that A002858(k+2)-A002858(k+1) = A002858(k+1)-A002858(k) = 22. Sequence gives A002858(k).

A002858(1587+k) = 19871 + 22*k (0<=k<=5). !!

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A002858.

Sequence in context: A218158 A249706 A098237 * A235949 A330284 A330303

Adjacent sequences: A068853 A068854 A068855 * A068857 A068858 A068859

Keyword

nonn

Author

Naohiro Nomoto, Mar 29 2002

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Oct 10 2003

More terms from Amiram Eldar, Aug 23 2020

Status

approved