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A332464
Rule 124 one-dimensional cellular automaton applied for one step to the configuration read from the base-2 expansion of sigma(n), then converted back to decimal.
2
3, 7, 12, 11, 14, 28, 24, 19, 31, 54, 28, 44, 22, 56, 56, 35, 54, 107, 60, 126, 96, 108, 56, 76, 35, 126, 120, 88, 38, 216, 96, 67, 112, 126, 112, 255, 110, 76, 88, 254, 126, 224, 124, 252, 214, 216, 112, 140, 91, 239, 216, 230, 126, 152, 216, 152, 240, 254, 76, 504, 70, 224, 248, 131, 252, 432, 204, 134, 224, 432, 216
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OFFSET
1,1
LINKS
Antti Karttunen,
Table of n, a(n) for n = 1..8192
Antti Karttunen,
Data supplement: n, a(n) computed for n = 1..65537
Index entries for sequences related to cellular automata
Index entries for sequences related to sigma(n)
FORMULA
a(n) =
A269174
(
A000203
(n)) =
A269174
(sigma(n)).
PROG
(PARI)
A269174
(n) = bitand(bitor(n, n<<1), bitor(bitxor(n, n<<1), bitxor(n, n<<2)));
A332464
(n) =
A269174
(sigma(n));
CROSSREFS
Cf.
A000203
,
A269174
,
A332465
.
Cf. also
A332224
,
A332209
,
A332452
,
A332453
.
Sequence in context:
A082600
A355314
A351103
*
A256563
A390464
A349888
Adjacent sequences:
A332461
A332462
A332463
*
A332465
A332466
A332467
KEYWORD
nonn
AUTHOR
Antti Karttunen
, Feb 16 2020
STATUS
approved
