|
Search: id:A158205
|
|
|
| A158205 |
|
Primes with every digit a nonprime and the sum of the digits a prime. |
|
+0
1
|
|
| 11, 41, 61, 89, 101, 191, 199, 401, 409, 449, 461, 601, 641, 661, 809, 881, 911, 919, 991, 1019, 1091, 1109, 1181, 1499, 1619, 1811, 1901, 1949, 4001, 4049, 4111, 4409, 4441, 4481, 4649, 4801, 4861, 4889, 4919, 4999, 6089, 6449, 6481, 6661, 6689, 6841
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Nonprime digits are 0, 1, 4, 6, 8 or 9.
|
|
EXAMPLE
|
11(1+1=2), 41(4+1=5), 61(6+1=7), 89(8+9=17), 101(1+0+1=2), 191(1+9+1=11)
|
|
CROSSREFS
|
Cf. A000040, A062088, A141468.
Sequence in context: A040167 A040170 A085564 this_sequence A109982 A128467 A132232
Adjacent sequences: A158202 A158203 A158204 this_sequence A158206 A158207 A158208
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Mar 13 2009
|
|
|
Search completed in 0.002 seconds
|
