"Late birds" in A390939: terms A390939(m) such that A390939(k) > A390939(m) for all k > m, where A390939 lists the keys added in the map initialized with T[1] = 1 and then repeatedly T[v] := k + (T[v] if defined else 0) for all key-value pairs (k, v) in T.

A390941

"Late birds" in A390939: terms A390939(m) such that A390939(k) > A390939(m) for all k > m, where A390939 lists the keys added in the map initialized with T[1] = 1 and then repeatedly T[v] := k + (T[v] if defined else 0) for all key-value pairs (k, v) in T.