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A230102 a(0)=1; thereafter a(n+1) = a(n) + (product of digits of a(n)). 4
1, 2, 4, 8, 16, 22, 26, 38, 62, 74, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Never gets above 102.

LINKS

Table of n, a(n) for n=0..50.

Index entries for Colombian or self numbers and related sequences

PROG

(Haskell)

a230102 n = a230102_list !! n

a230102_list = iterate a230099 1  -- Reinhard Zumkeller, Oct 13 2013

CROSSREFS

Cf. A007954, A051801, A063108, A230099, A232485.

Sequence in context: A102039 A045844 A254062 * A063108 A161140 A257350

Adjacent sequences:  A230099 A230100 A230101 * A230103 A230104 A230105

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 12 2013

STATUS

approved

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Last modified November 17 07:44 EST 2018. Contains 317275 sequences. (Running on oeis4.)