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A079653 Triangular numbers using only the curved digits 0, 3, 6, 8 and 9. 1
0, 3, 6, 36, 66, 300, 630, 666, 903, 990, 3003, 6903, 33930, 39060, 39903, 63903, 66066, 69006, 93096, 306936, 333336, 339900, 600060, 609960, 630003, 669903, 690900, 833986, 930930, 936396, 963966, 3036880, 3069003, 3083886, 3306306, 3689686, 3966336, 3988900 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

t[n_] := n*(n + 1)/2; t /@ Select[Range[0, 10000], AllTrue[IntegerDigits[t[#]], MemberQ[{0, 3, 6, 8 , 9}, #1] &] &] (* Amiram Eldar, Aug 18 2020 *)

CROSSREFS

Intersection of A000217 and A072960.

Sequence in context: A106128 A119186 A119115 * A119063 A119154 A119194

Adjacent sequences:  A079650 A079651 A079652 * A079654 A079655 A079656

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Jan 23 2003

EXTENSIONS

a(1) = 0 and more terms from Amiram Eldar, Aug 18 2020

STATUS

approved

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Last modified December 6 22:42 EST 2021. Contains 349567 sequences. (Running on oeis4.)