|
Search: id:A114882
|
|
| |
|
| 1, 3, 2, 5, 4, 7, 6, 8, 10, 9, 12, 11, 16, 24, 18, 13, 22, 15, 28, 48, 30, 17, 36, 14, 40, 120
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
A self-inverse permutation of the natural numbers.
|
|
FORMULA
|
(See A114538 for definition of transposition sequence.)
|
|
EXAMPLE
|
Start with the northwest corner of A114881:
1 3 5 7 9
2 8 14 20 26
4 24 34 54 64
6 48 76 90 118
a(1)=1 because 1=T(1,1) and T(1,1)=1.
a(2)=3 because 2=T(2,1) and T(1,2)=3.
a(3)=2 because 3=T(1,2) and T(2,1)=2.
a(20)=48 because 20=T(2,4) and T(4,2)=48.
|
|
CROSSREFS
|
Cf. A083140, A114881.
Adjacent sequences: A114879 A114880 A114881 this_sequence A114883 A114884 A114885
Sequence in context: A135762 A066250 A066251 this_sequence A004442 A065190 A085230
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Clark Kimberling (ck6(AT)evansville.edu), Jan 03 2006
|
|
|
Search completed in 0.002 seconds
|
