|
Search: id:A094960
|
|
|
| A094960 |
|
Numbers n such that the derivative of n-th Bernoulli polynomial B(n,x) contains only integer coefficients. |
|
+0
1
|
| |
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Next term if it exists is > 1000. - Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 28 2005
|
|
EXAMPLE
|
B(6,x)= x^6 - 3*x^5 + (5/2)*x^4 - (1/2)*x^2 + 1/42 so B'(6,x) contains only integer coefficients and 6 is in the sequence.
|
|
MAPLE
|
p:=proc(n) if denom(diff(bernoulli(n, x), x))=1 then n else fi end:seq(p(n), n=1..100); (Deutsch)
|
|
CROSSREFS
|
Sequence in context: A045963 A128169 A095923 this_sequence A032396 A087148 A153817
Adjacent sequences: A094957 A094958 A094959 this_sequence A094961 A094962 A094963
|
|
KEYWORD
|
more,nonn
|
|
AUTHOR
|
Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 19 2004
|
|
|
Search completed in 0.002 seconds
|
