|
1, 6, 36, 41, 386, 391, 421, 426, 5006, 5011, 5041, 5046, 5391, 5396, 5426, 5431, 85086, 85091, 85121, 85126, 85471, 85476, 85506, 85511, 90091, 90096, 90126, 90131, 90476, 90481, 90511, 90516, 1616616, 1616621, 1616651, 1616656, 1617001, 1617006, 1617036, 1617041, 1621621, 1621626, 1621656, 1621661, 1622006, 1622011
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
PROG
|
(PARI)
A002110(n) = prod(i=1, n, prime(i));
A276156(n) = { my(p=2, pr=1, s=0); while(n, if(n%2, s += pr); n >>= 1; pr *= p; p = nextprime(1+p)); (s); };
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|