A074975 - OEIS

A074975

Abundant numbers such that the sum of their individual digits when raised to their own power is an abundant number.

24, 42, 66, 96, 104, 108, 114, 140, 156, 174, 176, 180, 222, 224, 228, 270, 282, 288, 336, 352, 354, 392, 396, 400, 444, 448, 464, 516, 532, 534, 560, 572, 576, 594, 644, 650, 666, 702, 704, 708, 714, 720, 740, 756, 760, 774, 780, 800, 810, 822, 828, 870

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

OFFSET

1,1

REFERENCES

J. Earls, Some Smarandache-Type Sequences and Problems Concerning Abundant and Deficient Numbers, Smarandache Notions Journal, (to appear).

LINKS

Table of n, a(n) for n=1..52.

EXAMPLE

24 is an abundant number and 2^2 + 4^4 = 260 is also abundant.

CROSSREFS

Cf. A005101.

Sequence in context: A162886 A274350 A063702 * A077095 A228844 A111948

Adjacent sequences: A074972 A074973 A074974 * A074976 A074977 A074978

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls, Oct 06 2002

STATUS

approved