374535

Appears in sequences

• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 01110-11111 pattern in any orientation.at n=13A147363
• Odd numbers k for which A003961(k) > 2*k and A003961(k)-2*k OR A003961(k)-sigma(k) = A003961(k)-2*k, where OR is bitwise-or (A003986) and A003961 is fully multiplicative with a(p) = nextprime(p).at n=15A388029