|
| |
|
|
A067429
|
|
Ninth column of triangle A067425.
|
|
2
| |
|
|
1, 12, 432, 15552, 559872, 20155392, 725594112, 26121388032, 940369969152, 33853318889472, 1218719480020992, 43873901280755712, 1579460446107205632, 56860576059859402752, 2046980738154938499072, 73691306573577785966592
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..600
|
|
|
FORMULA
| a(n)= A067425(n+8, 8). a(n)= 12*(4*9)^(n-1), n>=1, a(0)=1.
G.f.: (1-24*x)/(1-36*x).
|
|
|
PROG
| (MAGMA) [Ceiling(12*(4*9)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 03 2011
|
|
|
CROSSREFS
| Cf. A067428 (eighth column), A009980 (powers of 36).
Sequence in context: A036687 A123778 A129006 * A054913 A070285 A041617
Adjacent sequences: A067426 A067427 A067428 * A067430 A067431 A067432
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002
|
| |
|
|
