

A125109


Differences between consecutive weird numbers.


3



766, 3194, 1800, 1362, 720, 1360, 1158, 140, 222, 198, 420, 280, 420, 420, 140, 700, 140, 280, 140, 840, 840, 280, 140, 280, 420, 140, 402, 298, 420, 420, 420, 140, 420, 280, 140, 700, 980, 280, 140, 280, 980, 420, 700, 140, 280, 420, 560, 420, 420, 280, 420, 560
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OFFSET

1,1


COMMENTS

Once we get past the first few terms, it is interesting to see the values 420, 140, 840 repeat, at least for the first 30 or so terms.


LINKS

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


FORMULA

a(n) = A006037(n+1)  A006037(n).  Amiram Eldar, Apr 23 2020


EXAMPLE

The first two weird numbers, 70 and 836, yield 836  70 = 766. Similarly, the second two weird numbers, 836 and 4030, yield 4030  836 = 3194.


CROSSREFS

Cf. A006037.
Sequence in context: A343704 A343705 A247486 * A234163 A159209 A045142
Adjacent sequences: A125106 A125107 A125108 * A125110 A125111 A125112


KEYWORD

easy,nonn


AUTHOR

Jason G. Wurtzel, Nov 21 2006


EXTENSIONS

More terms from Amiram Eldar, Apr 23 2020


STATUS

approved



