30927

Appears in sequences

• Sums of distinct powers of 13.at n=28A033049
• Numbers k such that (1/k) * Sum_{d|k} d*sigma(d) is an integer.at n=12A069520
• a(n) = n^4 + n^3 + n^2.at n=13A100019
• Expansion of Molien series for 16-dimensional real Clifford group C_4 of genus 4 and order 178362777600.at n=29A110160
• Numbers k such that k and 2*k, taken together are pandigital.at n=26A115922
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (0, 1, -1), (1, 0, -1)}.at n=10A148589
• Numbers k which can be split into two numbers x and y such that x^3 + y^2 is a multiple of k.at n=38A162451
• Number of partitions of n^2 into distinct squares > 1.at n=48A298642
• Odd numbers k that have a divisor d such that sigma(d)*d is equal to k.at n=6A327599
• Square array A(n, k) = A064987(A246278(n, k)), read by falling antidiagonals; A064987(n) = n*sigma(n), applied to the prime shift array.at n=26A379499
• Square array A(n, k) = A249670(A246278(n, k)), read by falling antidiagonals; A249670(n) = A017665(n)*A017666(n), applied to the prime shift array.at n=26A379500