121645

Appears in sequences

• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1010-1111-0101 pattern in any orientation.at n=17A147434
• Number of partitions of n such that 2*(least part) < number of parts.at n=46A237758
• Molien series for invariants of finite Coxeter group D_12 (bisected).at n=49A266775