|
| |
|
|
A167846
|
|
Concave-convex primes.
|
|
6
| | |
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Primes in A163278.
Primes numbers with more than three digits that are not straight-line numbers (A135643), concave numbers (A135642) or convex numbers (A135641).
|
|
|
CROSSREFS
| Cf. A134811, A134951, A134971, A135641, A135642, A135643, A163278, A167841, A167842, A167843, A167844, A167845, A167853.
Sequence in context: A102925 A024020 A069791 * A088290 A179032 A179033
Adjacent sequences: A167843 A167844 A167845 * A167847 A167848 A167849
|
|
|
KEYWORD
| base,more,nonn
|
|
|
AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Nov 13 2009
|
| |
|
|
