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A082259 Triangle read by rows in which the n-th row contains n multiples of n with digit sum n. 7
1, 2, 20, 3, 12, 21, 4, 40, 112, 220, 5, 50, 140, 230, 320, 6, 24, 42, 60, 114, 132, 7, 70, 133, 322, 511, 700, 1015, 8, 80, 152, 224, 440, 512, 800, 1016, 9, 18, 27, 36, 45, 54, 63, 72, 81, 190, 280, 370, 460, 550, 640, 730, 820, 910, 1090, 209, 308, 407, 506, 605, 704, 803, 902, 2090, 3080, 4070 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Alois P. Heinz, Rows n = 1..100, flattened

EXAMPLE

Triangle begins:

1

2, 20;

3, 12,  21;

4, 40, 112, 220;

5, 50, 140, 230, 320;

6, 24,  42,  60, 114, 132;

7, 70, 133, 322, 511, 700, 1015;

8, 80, 152, 224, 440, 512,  800, 1016;

9, 18,  27,  36,  45,  54,   63,   72,  81;

MATHEMATICA

Table[Take[Select[n Range[10000], Total[IntegerDigits[#]]==n&], n], {n, 20}] // Flatten (* Harvey P. Dale, Sep 16 2019 *)

CROSSREFS

Cf. A082260, A082261, A082262, A082263, A002998.

Sequence in context: A301637 A210416 A220943 * A342077 A077339 A077341

Adjacent sequences:  A082256 A082257 A082258 * A082260 A082261 A082262

KEYWORD

base,nonn,tabl,look

AUTHOR

Amarnath Murthy, Apr 12 2003

EXTENSIONS

Corrected by Anne Donovan, May 29 2003

Corrected and extended by David Wasserman, Aug 26 2004

STATUS

approved

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Last modified October 16 07:07 EDT 2021. Contains 348041 sequences. (Running on oeis4.)