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A071826 Concatenate first n terms of A007770. 0
1, 17, 1710, 171013, 17101319, 1710131923, 171013192328, 17101319232831, 1710131923283132, 171013192328313244, 17101319232831324449, 1710131923283132444968, 171013192328313244496870 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

Shyam Sunder Gupta, Smarandache Sequence of Happy Numbers, Smarandache Notions Journal, Vol. 13 (2002).

LINKS

Table of n, a(n) for n=1..13.

S. S. Gupta, Smarandache Sequences of Happy Numbers

EXAMPLE

a(3)=1710 because 1,7,10 are consecutive terms of A007770 starting from first.

CROSSREFS

Sequence in context: A144571 A242228 A222905 * A055414 A156675 A276808

Adjacent sequences:  A071823 A071824 A071825 * A071827 A071828 A071829

KEYWORD

easy,base,nonn

AUTHOR

Shyam Sunder Gupta, Jun 08 2002

STATUS

approved

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Last modified May 26 11:08 EDT 2022. Contains 354086 sequences. (Running on oeis4.)