A063054 -id:A063054 - cp's OEIS frontend

A063055 Integers n > 1997 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 1997.

2996, 3995, 5993, 6992, 7991, 8089, 8179, 8269, 8359, 8449, 8539, 8629, 8719, 8809, 8899, 8989, 8990, 9088, 9178, 9268, 9358, 9448, 9538, 9628, 9718, 9808, 9898, 9988, 13397, 14387, 15377, 16367, 17357, 17897, 18347, 18887, 19337, 19877, 23396

Offset: 0

Klaus Brockhaus, Jul 07 2001

Subsequence of A023108.

			The trajectory of 3995 reaches 9988 in one step and 9988 is a term in the trajectory of 1997, so 3995 belongs to the present sequence. The corresponding term in A063056, giving the number of steps, accordingly is 1.

Index entries for sequences related to Reverse and Add!

A033865, A023108, A063054, A063056.

A063056 a(n) = number of 'Reverse and Add!' operations that have to be applied to the n-th term of A063055 in order to obtain a term in the trajectory of 1997.

Original entry on oeis.org

1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 3, 3, 3, 3, 3, 1, 3, 0, 3, 1, 3, 3, 3, 3, 3, 1, 3, 1, 3, 1, 3, 3, 3, 3, 3, 1, 3, 1, 3, 1, 3, 3, 3, 3, 1, 3, 3, 1, 3, 3, 3, 3, 3, 1, 3, 1, 3, 1, 3, 3, 3, 3, 3, 1, 3, 1, 3, 1, 3, 3, 3, 3, 3, 1, 3, 1, 3, 1, 2, 2, 2, 3, 2, 3, 2, 1, 3

Offset: 0

Klaus Brockhaus, Jul 07 2001

			3995 is a term of A063055. One 'Reverse and Add!' operation applied to 3995 leads to a term (9988) in the trajectory of 1997, so the corresponding term of the present sequence is 1.

Index entries for sequences related to Reverse and Add!

A023108, A033865, A063054, A063055.

cp's OEIS Frontend

A063055 Integers n > 1997 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 1997.

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