|
| |
| |
|
|
|
0, 11, 50, 117, 212, 335, 486, 665, 872, 1107, 1370, 1661, 1980, 2327, 2702, 3105, 3536, 3995, 4482, 4997, 5540, 6111, 6710, 7337, 7992, 8675, 9386, 10125, 10892, 11687, 12510, 13361, 14240, 15147, 16082, 17045, 18036, 19055, 20102, 21177, 22280, 23411, 24570
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
Bruno Berselli, Table of n, a(n) for n = 0..1000
Bruno Berselli, Illustration of initial terms: An origin of A185019.
Index to sequences with linear recurrences with constant coefficients, signature (3,-3,1).
|
|
|
FORMULA
|
G.f.: x*(11+17*x)/(1-x)^3.
a(n) = A195025(-n).
|
|
|
PROG
|
(PARI) for(n=0, 42, print1(n*(14*n-3)", "));
(MAGMA) [n*(14*n-3): n in [0..42]];
|
|
|
CROSSREFS
|
Cf. A013656, A049452, A033429, A049453, A147296, A195025.
Cf. A195023, A195024; A000384, A135703.
Cf. A195020 (vertices of the numerical spiral in link).
Sequence in context: A126398 A159486 A215728 * A212560 A211920 A167423
Adjacent sequences: A185016 A185017 A185018 * A185020 A185021 A185022
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
Bruno Berselli, Oct 14 2011 - based on remarks and sequences by Omar E. Pol.
|
|
|
STATUS
|
approved
|
| |
|
|