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A004160 Sum of digits of tetrahedral numbers. 0
1, 4, 1, 2, 8, 11, 12, 3, 12, 4, 16, 13, 14, 11, 14, 15, 24, 6, 7, 10, 16, 8, 5, 8, 18, 18, 18, 10, 22, 19, 20, 26, 20, 12, 21, 21, 22, 25, 13, 14, 11, 14, 15, 15, 15, 25, 19, 16, 17, 5, 17, 18, 18, 18, 19, 22, 19, 11, 26, 20, 21, 21, 21, 22, 25, 13, 23, 20, 23, 24, 24, 24, 25, 10, 16, 26 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A000292.

Sequence in context: A096249 A081454 A133883 * A128077 A128078 A084604

Adjacent sequences:  A004157 A004158 A004159 * A004161 A004162 A004163

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 19:06 EST 2012. Contains 206084 sequences.