30149

Appears in sequences

• Number of n-celled polyhexes (hexagonal polyominoes) without bilateral symmetry.at n=9A030226
• Negative of column k=7 sequence of array A103728.at n=3A103734
• Number of integers in the smallest interval containing both minimal and maximal possible apex values of an addition triangle whose base is a permutation of n+1 consecutive integers.at n=12A206604