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A117593 Perrin numbers for which the sum of the digits is also a Perrin number. 0
0, 2, 3, 5, 7, 12, 39, 1130, 2627, 8090, 14197, 33004, 43721, 178364, 86700684, 114853953, 267003047, 3354494070 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..18.

EXAMPLE

2627 is in the sequence because (1) it is a Perrin number and (2) the sum of its digits 2+6+2+7=17 is also a Perrin number.

CROSSREFS

Cf. A001608.

Sequence in context: A024784 A060528 A273728 * A209192 A052021 A217396

Adjacent sequences:  A117590 A117591 A117592 * A117594 A117595 A117596

KEYWORD

nonn,base

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 27 2006

STATUS

approved

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Last modified June 1 02:09 EDT 2020. Contains 334758 sequences. (Running on oeis4.)