pg_sequence
   The catalog pg_sequence contains information about
   sequences.  Some of the information about sequences, such as the name and
   the schema, is in pg_class.
  
Table 52.46. pg_sequence Columns
| Name | Type | References | Description | 
|---|---|---|---|
seqrelid | oid |  | The OID of the pg_class entry for this sequence | 
seqtypid | oid |  | Data type of the sequence | 
seqstart | int8 | Start value of the sequence | |
seqincrement | int8 | Increment value of the sequence | |
seqmax | int8 | Maximum value of the sequence | |
seqmin | int8 | Minimum value of the sequence | |
seqcache | int8 | Cache size of the sequence | |
seqcycle | bool | Whether the sequence cycles |