112375899domain: NAppears in sequencesNumbers k such that k | A057643(k) and (k+1) | A057643(k+1).at n=22A377951Numbers k such that k | A378053(k) and (k+1) | A378053(k+1).at n=10A378055Numbers k such k | A378056(k) and (k+1) | A378056(k+1).at n=0A378059