BUG #15010: Sequence ID is getting skipped

The following bug has been logged on the website:

Bug reference: 15010
Logged by: Anil Kumar G V
Email address: anilkumar(dot)gv(at)gmail(dot)com
PostgreSQL version: 9.3.0
Operating system: Ubuntu
Description:

Sometime sequence ID is getting skipped by 32 numbers. Here is some sample
sequence definition.

Column | Type | Value
---------------+---------+----------------------
sequence_name | name | audit_logid_sequence
last_value | bigint | 425585242
start_value | bigint | 1
increment_by | bigint | 1
max_value | bigint | 9223372036854775807
min_value | bigint | 1
cache_value | bigint | 1
log_cnt | bigint | 24
is_cycled | boolean | f
is_called | boolean | t

Sequence "nmc.mrno_number_seq"
Column | Type | Value
---------------+---------+---------------------
sequence_name | name | mrno_number_seq
last_value | bigint | 12
start_value | bigint | 1
increment_by | bigint | 1
max_value | bigint | 9223372036854775807
min_value | bigint | 1
cache_value | bigint | 1
log_cnt | bigint | 0
is_cycled | boolean | f
is_called | boolean | t