A262615 -id:A262615

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A264958

Amicable digital pair: the pairs from A262615 ordered by their smallest member.

+20
2

136, 244, 919, 1459, 2178, 6514, 58618, 76438, 63804, 313625, 89883, 157596, 2755907, 6586433, 8139850, 9057586, 144839908, 1043820406, 277668893, 756738746, 304162700, 344050075, 4370652168, 11346057072, 21914086555935085, 37878721692554416, 187864919457180831, 375609204308055082, 13397885590701080090, 40091536165423401387

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

First differs from A262615 (another version) at a(9).

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Cf. A262091, A262092, A262615, A264951.

KEYWORD

nonn,base

AUTHOR

Omar E. Pol, Nov 29 2015

STATUS

approved

A264951

Amicable digital numbers.

+10
2

136, 244, 919, 1459, 2178, 6514, 58618, 63804, 76438, 89883, 157596, 313625, 2755907, 6586433, 8139850, 9057586, 144839908, 277668893, 304162700, 344050075, 756738746, 1043820406, 4370652168, 11346057072, 21914086555935085, 37878721692554416, 187864919457180831, 375609204308055082, 13397885590701080090, 40091536165423401387

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Union of A262091 and A262092.

Numbers of A262615 in increasing order.

Numbers of A264958 in increasing order.

For amicable digital pairs see A262615 and also A264958.

First differs from A262615 at a(8).

First differs from A264958 at a(8).

For more information see A262091.

REFERENCES

K. Oséki, A problem of number theory, Proceedings of the Japan Academy 36 (1960), 578-587.