30700

Appears in sequences

• Number of partitions of n into >= 2 parts and with minimum part >= 2.at n=49A083751
• Number of partitions of n in which both smallest and largest part occur only once.at n=49A117995
• Irregular square reversible numbers. Numbers which when squared and written backwards give a square again, but don't satisfy reverse(n^2) = reverse(n)^2.at n=28A129914
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=17A291843
• Except a(0)=1 and a(4)=0, number of integer partitions of n with no 1's and at least two parts.at n=50A379720