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A094890 Triangular numbers whose sum of squared digits is also triangular. 0
0, 1, 6, 10, 36, 630, 741, 1081, 2211, 7140, 10011, 10153, 13366, 15576, 17766, 23220, 24531, 25651, 28920, 33411, 42486, 47586, 52326, 59685, 61776, 69006, 112575, 113050, 121771, 125751, 128778, 129286, 146611, 156520, 163306, 165025, 167331 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Cf. A003132.

Sequence in context: A203485 A221519 A038264 * A213477 A047178 A132095

Adjacent sequences:  A094887 A094888 A094889 * A094891 A094892 A094893

KEYWORD

base,nonn

AUTHOR

Jason Earls, Jun 16 2004

STATUS

approved

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Last modified July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)