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A341008 Numbers whose sum of even digits and sum of odd digits differ by 7. 2
7, 18, 29, 70, 81, 92, 108, 115, 126, 133, 144, 151, 162, 180, 209, 216, 238, 261, 283, 290, 313, 328, 331, 346, 364, 382, 414, 436, 441, 458, 463, 485, 511, 548, 566, 584, 612, 621, 634, 643, 656, 665, 678, 687, 700, 768, 786, 801, 810, 823, 832, 845, 854, 867, 876, 889, 898 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Carole Dubois, Table of n, a(n) for n = 1..5001

MATHEMATICA

Select[Range[1000], Abs[Plus @@ Select[(d = IntegerDigits[#]), OddQ] - Plus @@ Select[d, EvenQ]] == 7 &] (* Amiram Eldar, Feb 02 2021 *)

PROG

(Python)

def ok(n):

s = str(n)

return abs(sum(map(int, s))-2*sum(int(d) for d in s if d in "2468")) == 7

print(list(filter(ok, range(900)))) # Michael S. Branicky, Jul 18 2021

CROSSREFS

Cf. A036301 (sums are equal), A341002 to A341010 (sums differ by 1 to 9).

Sequence in context: A017473 A131191 A061876 * A103571 A103572 A049532

Adjacent sequences: A341005 A341006 A341007 * A341009 A341010 A341011

KEYWORD

base,nonn,less

AUTHOR

Eric Angelini and Carole Dubois, Feb 02 2021

STATUS

approved

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Last modified February 2 21:10 EST 2023. Contains 360024 sequences. (Running on oeis4.)