A110749 Triangle read by rows with the n-th row containing the first n multiples of n with digits reversed.
1, 2, 4, 3, 6, 9, 4, 8, 21, 61, 5, 1, 51, 2, 52, 6, 21, 81, 42, 3, 63, 7, 41, 12, 82, 53, 24, 94, 8, 61, 42, 23, 4, 84, 65, 46, 9, 81, 72, 63, 54, 45, 36, 27, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 11, 22, 33, 44, 55, 66, 77, 88, 99, 11, 121, 21, 42, 63, 84, 6, 27, 48, 69, 801, 21, 231, 441
Offset: 1
Examples
The triangle is: 1 2 4 3 6 9 4 8 21 61 5 1 15 2 52 etc
Links
- Harvey P. Dale, Table of n, a(n) for n = 1..1000
Crossrefs
The non-reversed digit triangle is A075362.
Programs
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Mathematica
Table[IntegerReverse[n*Range[n]],{n,20}]//Flatten (* Harvey P. Dale, Jul 14 2024 *)
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PARI
T(n, k) = subst(Polrev(digits(k*n)), x, 10); \\ Michel Marcus, Sep 16 2013
Extensions
More terms from Bruce Corrigan (scentman(AT)myfamily.com), Aug 10 2005