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A274834 7-white numbers: partition digits of n^7 into blocks of 7 starting at right; sum of these 7-digit numbers equals n. 7
0, 1, 11111110, 13477450, 20483494, 22705717, 24588560, 25411435, 26522546, 27150160, 27150161, 27777775, 28261271, 28744768, 28888885, 28888886, 29372382, 29372383, 29516500, 29855879, 31111109, 31738723, 32078101, 32222218, 32705716, 32849833, 33189212, 33333331 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Seven pairs of consecutive numbers:  27150160 and 27150161; 28888885 and 28888886; 29372382 and 29372383; 35555551 and 35555552; 37777774 and 37777775; 40483492 and 40483493; 41111107 and 41111108.

Two sets of three consecutive numbers: 34444440, 34444441 and 34444442; 39999995, 39999996 and 39999997.

LINKS

Paolo P. Lava, Table of n, a(n) for n = 1..63

EXAMPLE

11111110^7 = 20907501177620218737880174500399224623868710000000 and

2 + 0907501 + 1776202 + 1873788 + 0174500 + 3992246 + 2386871 + 0000000 = 11111110.

MAPLE

P:=proc(q, h) local a, b, n;

for n from 0 to q do a:=n^h; b:=0; while a>0 do b:=b+(a mod 10^h); a:=trunc(a/10^h); od;

if n=b then print(n); fi; od; end: P(10^6, 7);

CROSSREFS

Cf. A037042-A037045, A274833.

Sequence in context: A308079 A114680 A329224 * A094326 A108717 A038450

Adjacent sequences:  A274831 A274832 A274833 * A274835 A274836 A274837

KEYWORD

nonn,base,fini,full

AUTHOR

Paolo P. Lava, Jul 08 2016

STATUS

approved

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Last modified May 12 02:06 EDT 2021. Contains 343808 sequences. (Running on oeis4.)