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A033707 Values of n associated with A033705. 3
3, 3, 4, 10, 11, 4, 3, 6, 3, 9, 3, 3, 36, 3, 3, 44, 8, 21, 42, 33, 63, 74, 9, 18, 63, 35, 455, 53, 79, 106, 24, 187, 68, 27302, 438, 17, 24, 387, 707 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.

EXAMPLE

A033705(1) = 6, and 6 is the 3rd triangular, so a(1)=3.

A033705(2) = 9, and 9 is the 3rd square, so a(2)=3.

CROSSREFS

Cf. A033705, A033706.

Sequence in context: A202869 A202871 A144626 * A178043 A049925 A291873

Adjacent sequences:  A033704 A033705 A033706 * A033708 A033709 A033710

KEYWORD

nonn

AUTHOR

Mike Keith (domnei(AT)aol.com)

STATUS

approved

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Last modified December 10 16:44 EST 2018. Contains 318049 sequences. (Running on oeis4.)