|
Search: id:A037169
|
|
|
| A037169 |
|
Prime(n)* Product(prime(n-k) mod prime(n-k-1)); k=0,1...n-2. |
|
+0
2
|
|
| 2, 3, 10, 28, 176, 416, 2176, 4864, 23552, 178176, 380928, 2727936, 12091392, 25362432, 110886912, 750256128, 5011144704, 10362028032, 68287463424, 289457307648, 595222069248, 3864866586624, 16242224136192
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
If A_n is the n X n matrix a(i,j)=min(prime(i), prime(j)) then det(M_n)/det(A_n)=prime(n)/2
|
|
FORMULA
|
Let M_n be the n X n matrix m(i, j)=Max(prime(i), prime(j)); then a(n)=(-1)^(n+1)*det(M_n). - Benoit Cloitre (benoit7848c(AT)orange.fr), May 11 2002
|
|
CROSSREFS
|
Sequence in context: A089752 A007029 A099435 this_sequence A058953 A004980 A034324
Adjacent sequences: A037166 A037167 A037168 this_sequence A037170 A037171 A037172
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Armand Turpel (armandt(AT)unforgettable.com)
|
|
EXTENSIONS
|
Corrected and extended by Larry Reeves (larryr(AT)acm.org), Sep 27 2000
|
|
|
Search completed in 0.002 seconds
|
