|
Search: id:A135635
|
|
|
| A135635 |
|
Triangle read by rows, constructed by the Pascal rule, with top entry 2, left edge = odd numbers, right edge = squares plus 1. |
|
+0
1
|
|
| 2, 3, 5, 5, 8, 10, 7, 13, 18, 17, 9, 20, 31, 35, 26, 11, 29, 51, 66, 61, 37, 13, 40, 80, 117, 127, 98, 50, 15, 53, 120, 197, 244, 225, 148, 65, 17, 68, 173, 317, 441, 469, 373, 213, 82, 19, 85, 241, 490, 758, 910, 842, 586, 295, 101
(list; table; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
...........................2
..........................3.5
.........................5.8.10
.......................7.13.18.17
.....................9..20.31.35.26
..................11..29..51.66..61.37
|
|
MAPLE
|
T:=proc(n, k)if n=1 and k=1 then 2 elif k=1 then 2*n-1 elif n < k then 0 elif k =n then n^2+1 else T(n-1, k)+T(n-1, k-1) end if end proc: for n to 10 do seq(T(n, k), k=1..n) end do; # yields sequence in triangular form - Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 03 2008
|
|
CROSSREFS
|
Cf. A002522.
Sequence in context: A067284 A123339 A152771 this_sequence A006447 A014237 A033885
Adjacent sequences: A135632 A135633 A135634 this_sequence A135636 A135637 A135638
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
David Williams (davidwilliams(AT)paxway.com), Mar 01 2008
|
|
EXTENSIONS
|
More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 03 2008
|
|
|
Search completed in 0.002 seconds
|
