|
Search: id:A084232
|
|
| |
|
| 1, 195, 37829, 7338631, 1423656585, 276182038859, 53577891882061, 10393834843080975, 2016350381665827089, 391161580208327374291, 75883330210033844785365
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
Tanya Khovanova, Recursive Sequences
|
|
FORMULA
|
a(n) = ((7sqrt(3) + 12)/24)(56sqrt(3) + 97)^n - ((7sqrt(3) + 12)/24)(97 - 56sqrt(3))^n a(n) = [((7sqrt(3) + 12)/24)(56sqrt(3) + 97)^n], [x] = integer part of x. a(n+2) = 194a(n+1) - a(n)
|
|
EXAMPLE
|
a(1) = 195 because 195 = sqrt(Sum(k^2, k, 1, 337)/337), 337 = A84231(1)
|
|
CROSSREFS
|
Cf. A084231.
Adjacent sequences: A084229 A084230 A084231 this_sequence A084233 A084234 A084235
Sequence in context: A055970 A080913 A066232 this_sequence A077594 A044870 A118781
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Ignacio Larrosa Canestro (ilarrosa(AT)mundo-r.com), May 20 2003
|
|
|
Search completed in 0.002 seconds
|
