87970

Appears in sequences

• 2^(2p-2) modulo p^3 for p=odd primes.at n=15A216160
• (-1)^((p-1)/2)*Binomial(p-1,(p-1)/2) mod p^3 where p is the n-th prime.at n=15A224807
• Sum of squares of parts of the partitions of 2n into two squarefree parts.at n=39A280316
• Bemirp gaps: differences between consecutive bemirps.at n=27A333648
• a(n) is the number of 2 X 2 matrices with elements 1..n where at least one row and at least one column is strictly increasing.at n=20A390922