How to use row count as the starting point for a sequence

Question

I want to create a sequence, which starts with the row count on a table. I used the following, but it's not correct. Please help.
CREATE SEQUENCE "PARTY_POC_S" MINVALUE 1 MAXVALUE 2000000000 INCREMENT BY 1 START WITH
(select count(*) from "S_PARTY") CACHE 20 NOORDER NOCYCLE ;

Answer 1

may be someting like this
NOT RECOMMENDED
DECLARE
  stCount               NUMBER;
BEGIN
  SELECT COUNT (*)
    INTO stcount
    FROM S_PARTY;
  EXECUTE IMMEDIATE    'CREATE SEQUENCE PARTY_POC_S MINVALUE 1 MAXVALUE 2000000000 INCREMENT BY 1 START WITH '
                    || stcount
                    || ' CACHE 20 NOORDER NOCYCLE';
END;