A061590 a(1) = 10, a(n)= number obtained by adding to each digit of a(n-1) the next digit and adding the leading digit to the final digit.

10, 11, 22, 44, 88, 1616, 7777, 14141414, 55555555, 1010101010101010, 1111111111111111, 2222222222222222, 4444444444444444, 8888888888888888, 16161616161616161616161616161616, 77777777777777777777777777777777

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Index entries for sequences related to final digits of numbers

Example

1616 -> (1+6) (6+1) (1+6) (6+1), i.e. 7777.

Crossrefs

Cf. A061589.

Sequence in context: A113702 A102488 A022315 * A173900 A214957 A367354

Adjacent sequences: A061587 A061588 A061589 * A061591 A061592 A061593

Keyword

nonn,easy,base

Author

Amarnath Murthy, May 13 2001

Extensions

More terms from Larry Reeves (larryr(AT)acm.org) and Asher Auel, May 15 2001

Status

approved