49344

Appears in sequences

• Theta series of D_6 lattice.at n=28A008428
• Number of partitions satisfying cn(2,5) + cn(3,5) <= cn(1,5) + cn(4,5).at n=43A039895
• Solutions to phi(gpf(x)) - gpf(phi(x)) = 254 = c are special multiples of 257, x = 257k, where largest prime factors of factor k were observed from {2, 3, 5, 17}. See solutions to other even cases of c (=A070813): A007283 for 0, A070004 for 2, A070814 for 14, A070816 for 65534.at n=32A070815
• Seventh convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.at n=5A073394
• Numbers k such that phi(k) is a perfect 7th power.at n=21A078167
• In those partitions of n with every part >=3, the total number of parts (counted with multiplicity).at n=49A177739
• Expansion of (H(-x) / chi(-x))^2 in powers of x where chi() is a Ramanujan theta function and G() is a Rogers-Ramanujan function.at n=30A261526
• Numbers n such that phi(n) - 1 | sigma(n).at n=24A291880
• Numbers k such that 451*2^k+1 is prime.at n=5A323195