|
| |
|
|
A054566
|
|
Prime number spiral (clockwise, South spoke).
|
|
8
| |
|
|
2, 13, 67, 173, 347, 577, 877, 1249, 1697, 2243, 2833, 3541, 4289, 5179, 6131, 7159, 8293, 9473, 10799, 12251, 13709, 15289, 16987, 18749, 20681, 22619, 24671, 26839, 29129, 31541, 33911, 36559, 39217, 41981, 44839, 47903, 50989, 54163, 57347
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
FORMULA
| 8-spoke wheel overlays prime number spiral; hub is 2 in shell 0; 8 spokes radiate from this hub; this is South, clockwise
|
|
|
EXAMPLE
| Begin a prime number spiral at shell 0 (prime 2), proceed clockwise, South
|
|
|
MATHEMATICA
| Table[ Prime[4n^2 - 7n + 4], {n, 1, 40} ]
|
|
|
CROSSREFS
| Cf. A054567, A054551, A054553, A054555, A054564, A054568, A054570, A053999.
Sequence in context: A137967 A045764 A106999 * A038144 A097977 A136780
Adjacent sequences: A054563 A054564 A054565 * A054567 A054568 A054569
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Enoch Haga (Enokh(AT)comcast.net ) and G. L. Honaker, Jr. (honak3r(AT)gmail.com), Apr 10 2000
|
|
|
EXTENSIONS
| Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 25 2002
|
| |
|
|
