271439

Appears in sequences

• Subset of A037165 (p(n)*p(n+1)-p(n)-p(n+1)) for twin primes.at n=24A137367
• (5*F(n)+3*L(n)-8)/2.at n=23A206417
• Inverse binomial transform of -2 followed by A000032(n+1).at n=26A244213