The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A122063

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A122063

a(1) = 17, a(n) = sum of digits of all previous terms.
(history; published version)

#5 by Michael De Vlieger at Sat Oct 26 10:48:32 EDT 2024

STATUS

reviewed

approved

#4 by Joerg Arndt at Sat Oct 26 02:16:48 EDT 2024

STATUS

proposed

reviewed

#3 by James C. McMahon at Fri Oct 25 18:58:47 EDT 2024

STATUS

editing

proposed

#2 by James C. McMahon at Fri Oct 25 18:58:06 EDT 2024

MATHEMATICA

s={17}; Do[AppendTo[s, Total[Total/@IntegerDigits/@s]], {n, 53}]; s (* James C. McMahon, Oct 25 2024 *)

STATUS

approved

editing

#1 by N. J. A. Sloane at Fri Sep 29 03:00:00 EDT 2006

NAME

a(1) = 17, a(n) = sum of digits of all previous terms.

DATA

17, 8, 16, 23, 28, 38, 49, 62, 70, 77, 91, 101, 103, 107, 115, 122, 127, 137, 148, 161, 169, 185, 199, 218, 229, 242, 250, 257, 271, 281, 292, 305, 313, 320, 325, 335, 346, 359, 376, 392, 406, 416, 427, 440, 448, 464, 478, 497, 517, 530, 538, 554, 568, 587

OFFSET

1,1

COMMENTS

From a quiz.

REFERENCES

A. Wareham, Test Your Brain Power, Ward Lock Ltd (1995).

CROSSREFS

Cf. A004207.

KEYWORD

nonn,base,new

AUTHOR

Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006

STATUS

approved